Top Ecchi Harem Anime Where MC Is OP And Badass

In the hoard of zero-to-hero anime characters, also lies some main characters that kick off the series as pre-story prodigies. Such characters in ecchi and harem anime skip the whole character development arc to straight jump into the plot sprinkled with fan service.

Sorry for being blunt, but fans willing to watch humorous fan service, mild perverted shots don’t really care about plot and storyline. Therefore I have compiled this list of ecchi harem anime where MC is OP and delivers the best ecchi experience without wasting much time in character development.

From caring protagonists to badass anime characters, let’s explore some overpowered main characters of the ecchi and harem genre.

7: How Not To Summon A Demon Lord

badass demon lord of ecchi harem anime

Let’s kick off our list of ecchi harem anime where MC becomes OP within a single episode. I am talking about Demon King Diablo ‘an isekai ecchi anime full of boobs-fondling fan service.

A bottom-tier shy and lonely gamer Takuma Sakamoto suddenly teleports into a gaming world as a Demon King Diablo. Thanks to his unmatched gaming skills, he had already achieved 150 levels before teleporting in this world.

The girls he meets after teleportation cast a spell to enslave him for personal reasons. Due to one of his abilities, their spell misfires, and both girls become enslaved instead. Now Takuma embarks on a journey to neutralize their spell while exploring the new fantasy world.

  • My Anime List Rating: 6.9/10
  • Episodes: 22 (2 Seasons)
  • Released: July 2018

6: Aesthetica Of A Rogue Hero

ecchi anime where mc is op

Ever witnessed a prodigy stealing girls’ bikinis and such ability becomes his symbol of terror? Akatsuki Ousawa is a boy who returns to Earth with Miu “the daughter of the demon lord” after defeating the demon lord.

Samon Syndrome” a new fantasy dimension gate opens up for youngsters. But very few happened to return with newfound abilities. Akatsuki Ousawa a renowned “Rogue Hero” holder of unique powers embarked on a journey to unveil the hidden secrets of Babel Academy alongside the daughter of the demon king Miu.

The badass male lead is a well-deserved title for Akatsuki Ousawa, who constantly learns to master his abilities even though he’s overpowered, to begin with. This is a perfect ecchi harem anime where the mc is op, as he never misses a chance to get involved in explicit hijinks.

  • My Anime List Rating: 6.7/10
  • Episodes: 12 (1 Season)
  • Release Date: July 2012

5: Redo Of Healer

Redo of Healer, badass Kyaru as male lead

As an ecchi anime lover, I bet you would never have checked twice the label of anime, but you’ll check once witnessing this wicked ecchi anime with op mc.

Keyaru hoped to use his abilities for good to advance as a Hero; instead of being praised he suffered years of derogatory mistreatment. While enduring this brutal treatment by elites, he eventually reached his full potential. This time his tormentors need to taste the wrath of Keyaru’s vengeance.

Redo of Healer is a one of the best ecchi harem anime with a badass op male lead as Keyaru who is a holder of many inhuman abilities such as shape-shifting, inverse healing, alchemy, drug resistance, memory manipulation, and many more. This is a borderline ecchi anime not very recommended for lesser 18.

  • My Anime List Rating: 6.3/10
  • Episodes: 12 (1 Season)
  • Release Date: Jan 2021

4: Undefeated Bahamut Chronicle

Undefeated Bahamut Chronicle undefeated prince

Wellcome your typical harem ecchi anime which places a Checkmate by introducing a naked princess. Cliche, isn’t it? but it’s more once you sucked in it’s mecha blended plot.

Lux is the former prince of the Arcadia Empire. He mistakenly caught an eye on the Kingdom’s new princess naked while bathing. Infuriated Lisesharte challenges Lux for an ancient armored weapons duel. What happens next? would be spoiled to watch on your own.

Undefeated Bahamut Chronicle is an ecchi harem anime where Lux is the OP MC for his extremely skilled drag knight abilities.

  • My Anime List Rating: 6.5/10
  • Episodes: 12 (1 Season)
  • Release Date: Jan 2016

3: The Fruit Of Grisaia

The Fruit Of Grisaia badass lead

Some people enjoy ecchi anime with OP MC to witness the male lead helping females build harem in a wholesome way, yeah it sounds childish and pretty much wicked, but true in the end. If you’re one, go watch The Fruit of Grisaia.

The Fruit Grisaia centers on Mihama Academy that houses five female students. Their leisure day at academy ends when an overpowered male Kazami Yuuji enrolls in this academy and disrupts its working order.

Regardless of being powerful mentally and physically, Kazami needs to provide support to these girls to overcome their haunted past.

In this Ecchi but mature romance anime, the reason for mc being op is his tragic past and military life. However, along with a handsome face and body, he acts very calmly and coldly even in the most disrupted situations.

  • My Anime List Rating: 7.5/10
  • Episodes: 15 (2 Seasons)
  • Release Date: Oct 2014

2: Peter Grill And The Philosopher’s Time

Peter Grill And The Philosopher’s Time - overpowered main character

My dear Otaku fellows, I present to you a wholesome story filled with life lessons about the disadvantages of being an OP anime protagonist. what!!! yeah, it’s the literal premise of this anime.

Peter Grill has become the strongest warrior in the world, who has already stolen the heart of his senior Luvelia Sanctos. However, he is aware that his wish cannot be fulfilled as her father, The guild master is against their relationship.

The supreme strength of Peter Grill is alluring other race girls, that desire to make sexual relations with him neglecting common humor. But seduction from numerous hot chicks will be hard to resist for our overpowered mc in this ecchi anime.

The anime is full of comedy, pervy scenes, and funny resistance of our male lead. If you wish to watch borderline hentai, this anime is best suited for you.

  • My Anime List Rating: 5.5/10
  • Episodes: 24 (2 Seasons)
  • Release Date: July 2020

1: Demon King Daemao

Demon King Daemao male lead

Despite being an old-school ecchi anime, it’s no shame to witness probably the most badass MC on this list. Those who are quick to judge any anime by single episodes, give this anime a shot because you won’t be disappointed in the least.

Akuto Sai enrolls in Constant magic academy having a wholesome dream to change the world for its good. However, his desire and ambitions become sour as he found himself prophesized to become a demon lord.

The rumors about his fate spread around the institution and caused a huge loss in his friendships. However, without giving up on his dream Akuto Sai was determined to break free from this cursed prophecy.

With respect to the ecchi genre, a group of different girls, some desire to bring justice to him and some just illogically praise him for his exponential powers. However, Akuto’s newly found powers and determination to change his fate make him overpower mc within an ecchi anime.

  • My Anime List Rating: 6.7/10
  • Episodes: 12 (1 Season)
  • Release Date: April 2010

Conclusion:

There are a handful of Ecchi animes where the main character is op, but to mention all these without caring about the overall quality of anime will be a bad deed. In this list of badass male leads, I have tried to consider ranking keeping in mind the quality of overall anime for a regular anime fan. Still, if you find any other worthy contestants for this list, there definitely would be some, try to leave suggestions in the comment section.


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