36 Best Mature Anime For Adult Fans To Watch

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What Are The Best Adult and Mature Anime Series To Watch?

Welcome to our compiled list of the best adult and mature anime of all time. In this article, we will explore those good anime shows that are geared toward older audiences. From psychological thrillers to seinen and josei anime, we will dig deep into the diverse world of mature anime and provide recommendations for adult viewers to check out.

Whether you’re new to the anime world or a long-time otaku, you’re in for a treat as we explore the world of the most recommended mature anime series to watch.

36. Houseki no Kuni

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Let’s start off our recommended list of the best mature anime series with Hoseki No Kuni. The series features one of the top-notch animation styles. The story follows our main character around a world inhabited by creatures called gems. These gems need to work together to survive against a common enemy. First released in October of 2017, this anime is classified among the best mature-themed tv shows and is filled with action, drama, and fantasy, which makes it definitely entertaining.

35. Evil or Live

evil or life

Evil or Live is another good anime, that features mature content and is perfect for those who enjoy adult-focused stories. I personally loved it and highly recommend it if you’re looking for an emotional and thought-provoking show. The main character, Hibiki, is sent to a school called “Elite Reeducation Academy” that helps teens overcome internet addiction. He goes through a tough time there, but eventually learns that the world isn’t always black and white. Unfortunately, he decides to take his own life. However, his friend Shin saves him and convinces him to find purpose in his life.

34. RIN – Daughters of Mnemosyne


Mnemosyne” is another fantastic anime for adults, following the journey of two immortal private detectives, Rin and Mimi, as they take on various cases. The series progresses through different time periods while the main characters remain the same throughout. As the story progresses, you will uncover more mysteries about the antagonist’s goals and the concept of immortality. This show starts off intriguing and continues to show that life can exist beyond being human.

33. Death Parade

death parade

Next up, we have Death Parade, a dark mature anime that isadely has only one season. This is a not suitable for children anime series, because it highlights the concept of death and the afterlife, as well as expanding it into a deadly game style. The show focuses on the main character Decim, a being who decides whether humans before it are going to be reincarnated, or whether their souls will be cast into the void, never to return. The way this happens is when deceased humans must play harsh games, and as the game goes on, they get their memories back, while their acts determines their fate.

32. Girls’ Last Tour

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Moving on we have Girls’ Last Tour, that follows Chito and Yuuri, who ride through the deserted streets on their motorbike. They are the only survivors in a war-torn city, scraping together whatever they can find to survive. As they travel through the wasteland, they talk and dream about what life was like before the war, finding solace in each other’s company. Despite the constant struggle to survive, Chito and Yuuri’s friendship brings a glimmer of hope to their dark and lonely world. They find joy in small moments, like shooting practice, new books, and even a snowball fight on a frozen battlefield. This is an adult drama anime that tells the story of two cute anime girls and their journey to find hope in a world that seems to have none. It’s a story about friendship, survival, and the power of hope in the darkest of times.

30. Btooom!

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If you’re on the look for a game anime that is both mature and suitable for adult fans, “Btoom!” is the best choice. The story follows the journey of Ryouta Sakamoto, a man who is unemployed and has no skills outside of being a top player in the game “Btooom!”. One day, he is mysteriously transported to a strange island without any recollection of how he got there or what happened. As he struggles to survive and understand his new surroundings, he realizes that someone has recreated the game he loves, but this time, the stakes are much higher, as the outcome is real-life or death.

29. Nana


Nana is an anime that stands out for its memorable characters and real-life portrayal of adult life. The story follows two women with the same name, Nana, as they become roommates and friends in Tokyo. Through their experiences, we see them navigate the complexities of growing up and facing the harsh realities of adulthood. The characters are complex and well-developed, allowing fans to relate themselves to them. This makes Nana a unique adult drama anime that breaks away from traditional titles and appeals to a wide range of viewers, particularly older fans.

28. Violet Evergarden

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Violet Evergarden is a pretty exciting anime that tells the story of a beautiful girl named Violet who has spent her life fighting in a war. After, she is left injured and struggling to find her place in a post-war world, now all she wants is underasting the meaning some words she heard from someone who meant a lot to her. The anime is beautifully animated and features a epic soundtrack, making it a hearttouching experience. Although it explores mature themes like war, humanity, and empathy, it’s appropriate for both young and adult audiences. It’s a story that everyone can watch and enjoy.

27. Gangsta


Gangsta is an anime set in a crime-ridden city where the characters struggle to survive. It follows the lives of three main characters, Worick, Nicolas, and Alex, who are united by their struggles. It depicts violence, explicitly, and vices as central themes. The city is controlled by different gangs and the characters have to navigate their way through this dangerous environment. The anime is a powerful and thought-provoking tale of friendship and survival, it explores the consequences of not standing up for one’s rights and the dangers of living in a lawless society. It is not an easy watch for younger audiences but it will leave a lasting impact if you do

26. Erased

good mature anime to watch

Losing a loved one would certainly leave you feeling sad and would force you to ask yourself how you could have prevented the death of your loved one. Erased is a psychological thriller anime that tackles the subject of death struggles in a mature way. The series follows the main character Satoru, who is able to travel back in time and prevent such tragedy from happening. We do not know how or why, but he can go back to the time of his classmate who passed away. Therefore, it seems like his classmate’s death is related to his family as well. This mystery is really a lot to wrap your head around, so have patience.

25. Deadman Wonderland


This is a popular anime called Deadman Wonderland that has an unforgettable mature story. Ganta was framed for a crime he didn’t commit and thrown into a prison called Deadman Wonderland where he must fight to survive against many other inmates. When Ganta arrives, he’s immediately aware that there will be no escape and spends most of his time facing conspiracies, greed, betrayal, and murder while also seeking power to clear his name and reveals the real culprit’s identity! This is a mature anime show for adult fans that does a great job of following the story of a recently-framed teen who struggles in a tragic life-or-death game. Through flashbacks and continuous action, you get to learn about this character’s personal struggles as well as how he learns to cope with them.

24. Prison School


Prison School is an R rated mature anime for adult audiences, the series follows some perverted teenagers, who were caught peeping into girls’ bathrooms at this school and got grounded in prison cells set up within the school. They’re hilarious and we’ve had a blast watching them! The story focuses on the Underground School Council, a group of school girls who bully and torture these guys in ways that won’t educate them but rather make them love to be tortured under the bodies of these perfect-femme-knife girls. We are talking about amazing anime characters here. The guys are hilarious and they get us laughing so hard till crying. While one of them is sometimes romantic the others have all levels of weirdness, from being pervert to personality-wise. Even The girls in charge of them are also as weird as those guys.

23. 91 Days 


91 Days is another good mature anime with a realistic portrayal and adult perspective on the world of organized crime and the mafia. The show is filled with deceit, revenge, betrayal, and messed-up characters. Though there are countless anime series, few offer stories and characters that focus on themes like the dark side of humans. The writing in this show is great along with a diverse well-developed cast of characters. This is a masterpiece series about someone who has returned to his hometown to seek revenge and raise hell on those responsible for his family’s murder.

22. Black Lagoon

mature anime series

Mafia, guns, dark world, friendship, and much more immersive experiences are featured in this pretty cool mature anime. Black Lagoon is an action seinen series where we see the main character turning from a businessman to a hostage. Yeah, the innocen planned to have a business meeting but was abducted by Black Lagoon, a mercenary group.  After waiting and waiting, it seems that no one will come to rescue him, so instead, he decides to join the mafia group. There are 3 seasons of this anime, and it is definitely one that many have and will enjoy.

21. Zankyou no Terror

zankyou no terror

Also known as “Terror in Resonance” or “Terror in Tokyo” in English, this anime tells the story of two boys who go by the names Nine and Twelve, and after attacking a nuclear facility, they then become classified as terrorists and challenge the government.  Overall, Zankyou no Terror is an anime that can be considered a political debate, filled with psychological, thriller, and deep emotional themes that will leave you speechless.

20. March Come in Like A Lion

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March come in Like a Lion known in Japanese as “3-Gatsu no Lion”, is another pretty sad romance slice-of-life anime, that chronicles the story of a depressed main character named Rei Kiriyama who is helped out of a rather depressing state by a group of sisters who build him up after he has broken down.  The main reason this anime is on this list is that it deals with mature themes like depression, and other genres that can be intense for the young audience.

19. Mushishi


Next up among the best mature anime series that you should watch is “Mushishi”, an underrated Japanese tv show that depicts: “Mushi”: the most basic forms of life in the world. They exist without any goals or purposes aside from simply “being.”  Mushi can exist in countless forms and are capable of mimicking things from the natural world such as plants, diseases, and even phenomena like rainbows. First seen in October of 2005, this anime has a mystery, adventure, and fantasy tale that will keep you hooked.

18. Rainbow

mature anime series

Rainbow is the Japanese version of the popular American tv show “Prison Break”. So, you don’t need any further details to know that this anime is something you shouldn’t miss. The story is set in Japan, in 1955: Mario Minakami has just arrived at Shounan Special Reform School along with five other teenagers who have been arrested on serious criminal charges. All assigned to the same cell, they meet an older inmate who happens to be a former boxer—with whom they establish a close bond. Under his guidance, and with the promise that they will meet again on the outside after serving their sentences, the delinquents begin to view their hopeless situation in a better light.

17. Ergo Proxy

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I really enjoyed the way the story was set. It’s in a world that has been put under a dark and mysterious veil, so everyone is left wondering what’s just beyond their grasp. The story spans genres of mystery, sci-fi, and psychological and is produced by the studio Manglobe. This Tv show revolves around robots and humans’ coexistence after the apocalypse. This kind of entertainment is something you will enjoy. If you’re into stories with a similar concept, then you might like Ergo Proxy.

16. Elfen Lied

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Elfen Lied has a reputation for being incredibly gory. Many people avoid it because of its graphic nature of it, but adults know exactly what they’re going into when watching Elfen Lied. It’s also one of the most popular horror anime of all time. We find that some people call it a masterpiece, some people call it perverted, other people don’t know what to say, and then there are a group of people who call it terrible. The first is true while the second is an exaggeration and the third would be understandable, meanwhile the fourth would only be wrong. The story is about two normal college students who will be involved with an otherwise normal girl, who seems harmless, but in reality, she is a serial killer with two split personalities. There are a lot of characters like her along with their painful backstories, which are gradually revealed throughout the rest of this show.

15. Darker Than Black

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Darker than black is a mature anime with a very good story that contains many details about the history, abilities, and life of some superpowered characters. The plot mainly focuses on Hei, who is an undercover high-ranking contractor working for the syndicate, while he is looking for his sister. His helpers are Mao, a contractor under a contract with a cat body, and Yin, who helps him locate his target. From the mind of Tensai Okamura comes a sci-fi thriller that takes on very subtle tones and questions the role of justice in inevitable political battles. And it’s just a war fought in the shadows.

14. Phantom: Requiem for the Phantom

mature anime for adults

Pahntome is another adult oriented anime that highlights the rife of Mafia in America, where assassinations are a regular occurrence on the streets. Inferno, a mysterious company, is behind most of these dealings through the use of their near-invincible human weapon, “Phantom.” This is the story of two assassins working for a crime syndicate. They know nothing about their past but they work with the syndicate and it’s been a pretty harsh time. It’s been quite violent so many lies, so many deceptions. Therefore, They must fight to survive, hopefully, one day they will regain their memories and escape from this world where they are constantly on the brink of death.

13. Akame Ga Kill 

akame ga kill

Akame Ga Kill is very exciting, with a lot of action and drama, as well as political, war; and opression themes explored in an interesting way. The series features some bloody and  intense battles which makes it  a good mature anime show to get any adult onto his feet. This action-adventure series follows Tatsumi as he joins the night raid assassins and his sprawl into the world of the Empire’s cutthroat environment. This is a story of the main character learning that it’s important to stand up for what you believe in, even if you’re facing powerful weapons, overpowered enemies, and challenges to your morals and values.

12. Great Teacher Onizuka

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Great Teacher Onizuka is a great school anime that was released in the 90s and is definitely not appropriate for younger viewers. It will appeal more to adult males who enjoy anime that features mature themes and can be quite sophisticated depending on your tastes. The students of Onizuka come from a lot of different backgrounds and face a number of different problems, whether it’s bullying, suicide, or harassment. Onizuka is here to tackle the roots of their problems and support them with his unorthodox methods. Classes 3-4 slowly adjust to the new teacher, Mr. Onizuka, who shows great enthusiasm for schooling. The students are learning to appreciate what they used to hate – school!

11. Psycho-Pass

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Psycho-Pass is set In a futuristic world where it is possible to measure someone’s state of mind, personality, and the likelihood of committing a crime. In this society, maintaining order is paramount. When crime rates are too high, the police stop them and apprehend them in a modern way: by tracking down their identities and beginning investigations. The Unit One division of criminal investigation in the Public Safety Bureau is usually tasked with upholding justice. They work to decrease crime and ensure that everything runs smoothly for the society that they serve.

10. Gankutsuou: The Count of Monte Cristo


Franz and Albert go to a festival on the moon. While Franz is just looking to have fun, Albert gets more than he bargained for when he meets a mysterious and charming self-made nobleman during an opera performance who meets his gaze. Albert became friends with the Count and introduced him to French society. However, the Count was not interested in friendship but planned on exacting revenge on those who wronged him years ago. In this mature anime, we got the chance of following an epic story of Albert and the Count’s intertwined destinies and the ultimate price paid for enacting revenge.

9. Baccano

mature anime to watch

This is a rare type of mature anime series that successfully blends the genres of comedy, suspense, action, and a little romance. It also has high-quality animation and sound. Both adults and fans of all ages will enjoy this treasure. It’s a show that can be enjoyed again and again without losing enjoyment. Baccano! is a story that follows multiple events in which it seems like there isn’t many relationships between them. But the key aspect to keep in mind is that the story actually connects to one narrative, and it’s about alchemy, survival, and immortality. Isaac and Miria are kindhearted thieves who are merging these life-changing events together while also slowly forming memorable bonds and making lifelong consequences for every character.

8. Vinland Saga

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Well, here we have a solid mature anime named Vinland Saga ithat all ages can watch and enjoy. It follows the protagonist Thorfinn who has a complex personality driven by ambition and witnessed his father’s death. He then became an action-Viking warrior that would do anything to get his revenge. This anime series is a good window into the power struggles and the brutal world of Vikings all through the eyes of Thorfinn, who might be one of your next favorite characters ever. This is an absolutely epic action-packed adventure like no other. It’s rich with a culture of historical fiction that you’ll really get lost in.

7. Steins Gate

steins gate

You may not be aware, but many anime have stories revolving around time travel. However, it takes a lot of work to make that story really stick out and hold your attention. Steins; Gate did a fine job with this effort. The plot and execution in this mature anime are unlike anything that I’ve ever seen before. It’s hard to think of another time travel story executed so well that has captivated me on such a high level. It’s definitely worth watching in my opinion! Rentarou and his friends create a machine capable of sending messages across time and causing ripples through the past and present. This time machine has put everyone he knows in danger. He and his friends need to work really hard to fight the timeline disaster and; save his loved ones, but he is also working against a greater evil.

6. Cowboy Bebop

mature anime for adult

Cowboy Bebop is one of those mature anime series that people can’t stop talking about. It has a heavy Western influence and allowed the discussion on anime to be shown to adult fans. We follow two bounty hunters, Spike and Jet. They own a ship called the Bebop. They travel the solar system, chasing wanted criminals to earn money. Along the way, they added two members to their group, the pretty Faye Valentine and The cherry Kid Edward.

5. Samurai Champloo

Samurai Champloo

Samurai Champloo is a mature anime series where lots of sword-slashing action and thoughtful comedy are combined. It’s an anime that can be enjoyed by fans of all ages and it often has scenes that will tug at your heartstrings often. The hot-headed, poised and badass Mugen has to deal with the cold-blooded, arrogant and conceited Jin who thinks of himself as being above everyone else. These sworn samurai enemies are brought together by Fuu for a special task. Set in a fantasy version of Japan, Samurai Champloo follows these three mismatched individuals in an epic journey of action and comedy, set to the beat of amazing hip-hop-inspired soundtracks.

4. Hellsing


Hellsing’s story was a refreshing change from typical vampire stories that Hollywood produces. In the world of Hellsing, vampires are a threat to humanity and must be eliminated. Alucard, the protagonist of the series, is a vampire who has great powers over fire and darkness and has been fighting against other vampires on behalf of a secret organization for centuries now. Alucard’s partner Seras is also a vampire but she has more human qualities than her master since she was a former human. She is also very good at combat and fighting skills. The two work together to fight against other vampires as well as undead creatures that have been created by the Nazis in order to create an army of super-soldiers for their own purposes.

3. Attack On Titan

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Attack on Titan is a popular anime series that has gained worldwide attention, and has been praised for its mature storyline, detailed visuals, and thrilling action scenes. The main story is about a world where the remnants of humanity have to fight against giant creatures called Titans who eat humans. The series follows the story of a young boy named Eren Yeager, his adopted sister Mikasa Ackerman, and their friend Armin as they join the survey corps and participate in an attempted revolution against these Titans. This is their last hope for avoiding extinction at all costs.

2. Death Note

death note

Death Note is a Japanese anime about a high school student who finds a supernatural notebook that kills people whose names he writes in it. The protagonist of the series, Light Yagami, uses the notebook to rid society of criminals and terrorists. However, Light became a wanted criminal who had no qualms about using his godlike powers to rid the world of evil-doers. To stop him, the police need the help of the genius detective L, who is always one step ahead and in the battle of wits against Light. Now one opponent’s final defeat would leave the other alive to roam free again.

1. Monster

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Finally, at number 1 of the best mature anime tv shows for adult fans, we have Monster“. This is an old but gold anime series that tells the story of a famous doctor named Dr. Kenzou Tenma, and how he goes through his life as a neurosurgeon. The show has 74 episodes and takes us through a journey of drama, horror, and mystery. where our main character has to deal with past mistakes and deep feelings that conflict with each other.

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