Top 20 Amazing Harem Anime With OP MC

15. Gakusen Toshi Asterisk (Dub)

• Episodes: 24  Two Seasons 
• Genres: Action, Comedy, Ecchi, Fantasy, Harem, Romance, School, Sci-Fi, Supernatural

Summary

Long ago, an event called Invertia changed the power balance around the world. People in positions of authority rose to the top, like the Integrated Enterprise Foundation. Additionally, humans with incredible new abilities called Genestella are starts appearing and are now part of humanity.

Gakusen Toshi Asterisk is a school adventure and action anime about an ordinary student named Ayato Amagiri. After transferring to one of the world’s most prestigious schools for Genestella students.

The anime follows the daily life of students. They learn to harness their powers while also battling against each other in duels. However, Ayato has no interest in participating in these duels and instead has another motive for joining this prestigious school. That’s something that you’ll have to find out for yourself.

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14. The Testament of Sister New Devil (Dub)

• Episodes: 24  Two Seasons
• Genres: Action, Ecchi, Fantasy, Romance, Harem, Demons

Summary

Basara Toujou learns the hard way that he does not make a good first impression on his new stepsister, Misaki Kirihara when he sees her in the bathroom. His dad brings home two pretty girls and says they’re his new sisters Initially reluctant, he eventually has to accept the idea of taking in the Naruse sisters: redhead Mio and petite silver-haired Maria.

However, when these ordinary-looking girls turn out to be demon girls (Mio the daughter of the Demon Lord, and Maria her loyal succubae servant) Basara is forced to reveal himself as a member of a clan of heroes dedicated to eliminating demons.

Well, after beginning to take care of his new sisters, Basara instead decides to protect them with his powers and forms a master-servant contract with Mio to keep an eye on her.

While being observed by the Heroes and always threatened by demons, Basara tries to protect his new family members by hiding their identities. In addition, Basara himself is hiding a dark secret from his past.

13. Ichiban Ushiro no Daimaou (Dub)

• Episodes: 12 
• Genres: Action, Harem, Comedy, Magic, Ecchi, Fantasy, School

Summary

This is a great harem anime with an overpowered mc. The story follows Akuto Sai as he transfers to Constant Magic Academy. There he befriends a virtuous ninja clan member, Junko Hattori.

On their way to school, they make a promise to make the world a better place. However, the situation suddenly takes a turn for the worse upon his arrival—it is prophesied That Akuto will become the Demon King!

Rumors of his destiny spread around the school, he begins to feel like they’re all against him. Junko starts to question Akuto’s sincerity. But Akuto isn’t letting his predicted future control what he truly is. Despite this, everything he says or does seems to only be reinforcing his fate.

Furthermore, he is surrounded by a harem of pretty girls and has been the object of romantic desires, with their own different ideas for what to do with him. Akuto has recently gained new powers. But he is determined to make his own luck and fight for his beliefs which are now stronger than ever before.

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12. Hagure Yuusha no Aesthetica (Dub)

• Episodes: 12
• Genres: Action, Super Power, Ecchi, Fantasy

Summary

About 30 years before the story in Hagure Yuusha no Aesthetica shows a number of Earthlings transferred to another dimension with only 50% of them returning. One, for example, is Akatsuki Ousawa who was sent to Alayzard in order to defeat Dark Lord Garius and he did it. Afterward, he returned to his original world.

The others may have brought back souvenirs, but Akatsuki’s choice is much more special—he brings back the Dark Lord’s daughter Miu, who he’ll soon declare to be his long-lost sister!

Akatsuki and Miu find themselves in a new school called BABEL, where they learn how to use their powers. In order to be able to assist humanity in the future, will Akatsuki and Miu be able to keep her true identity a secret or will their plans to live peacefully together go up in flames?

11. Seiken Tsukai no World Break (Dub)

•  Episodes: 12
• Genres: Action, Fantasy, Harem, Romance, School, Supernatural

Summary

World Break is another good harem with an OP protagonist, however, the series takes place at Akane Private Academy where students are able to maintain their memories of their past lives and train in Ancestral Arts so that they can become defenders against monsters. Known as saviors, the students are split into two categories: Kurogane who are able to use their prana to summon magical weapons, and Koroma who can use offensive magic.

The story begins this time six months before the major climaxes of the series during school opening ceremonies on the first day. After the ceremony, Moroha meets Satsuki Ranjou who reveals that she was Moroha’s sister in a past life.

Moroha was a strong and capable prince and had impressive sword skills. He also meets another girl, Shizuno Urushibara, who eventually reveals that she also knew Moroha in an entirely different past life where he was a dark lord capable of using destructive magic but saving her from slavery.

Can these characters who are living in the present but are stuck in the past truly get to a better future?

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