Campione! is the perfect blend of supernatural, harem, and ecchi that will leave you satisfied! The protagonist of this anime is a gamer who finds his life shift after defeating the boss in the game Mortal Combat. He becomes a God Slayer in which many pretty women worship and adore. Although, other agendas also await.

Ecchi anime like Freezing with action-packed scenes are always worth checking out, especially if you liked High School DxD. The women in this anime are known as Pandoras while men are known as Limiters, they are normally partnered together. Freezing revolves around a brilliant Pandora who hasn't had a Limiter until she meets Kazuya Aoi.

This supernatural harem anime takes place in a high school setting. And yes, it also is ecchi. The anime tells the story of a human who studies in an academy where monsters study. If humans are caught in this academy, they will be executed. How will this go for the protagonist as he befriends a creature and tries to get closer to her?

Highschool of the Dead is an ecchi anime set in a zombie post-apocalyptic world. If you want to be entertained, you must watch this series. The protagonist ends up killing his friend after the latter got bit by a zombie. He now vows to protect his friend's girlfriend from other zombies wreaking havoc.

So, I Can't Play H revolves around a pretty normal dude with a knack for ecchi. This is an anime that is quite similar to High School DxD especially if you're in it for the hot female characters! Even the art style of both anime are pretty close. Get ready for a fun and horrific time with this anime.