4.017 out of 5 from 946 votes
All the perverted Issei wants is to squeeze bountiful boobs all day long, so he's thrilled to join Kuou Academy, a once all-female high school filled with gorgeous girls. But little did the boy know that after finally getting a girlfriend, she'd turn out to be a fallen angel who'd drive a lance through his heart, killing him on the spot! Luckily, the beautiful and busty Rias, his popular classmate who's actually a demon, revives him under one condition: that he'll become her servant. Now, Issei finds himself in the middle of a fierce chess game between demons, fallen angels and exorcists, and the fates of his new friends lie in the balance!
Seikrei and Highschool DxD have many similarities in them.Despite both being heavy ecchi, they have a good Story that keep u entertained.
Both have abundance of boobs,Pantie shots, Naked scenes.
Both series main guy is bit of perv and has a harem including big and small boobed girls.Both have supernatural powers and have lots of comedy action with romance touch
The similarity is there, but I really don't want to go into details here. Both series give a similar vibe, but the story and characters are notably better in Sekirei. If you read one and you are desperately searching for a similar series, the other might prove itself to be just that.
If you liked Musubi from Sekirei or the nekomata from Isuca you'll probably going to like the other character as well.
Sekirei and Kimi wa Boku no Toriko Nare differ in many aspects. One is a shounen series while the other one is a shoujo one, one has excessive ecchi, but coherent story, on the other hand same can't be said about the story in the other series. However the Sekirei\Anihilator business felt somewhat similar, I mean the part about female fighters and the masters they serve. Additionally, both Musubi and Shii seem to be a similar type of character. If you're not afraid to read something similar, yet different, then you might as well give it a try.
Both Rappi Rangai and Sekirei are very similar harem series. They involve a weak male lead being protected by a harem of ass-kicking girls. Those girls not only consider him their master, but also are quite devoted to him. I don't think I need to mention that every single one of them is in love with the protagonist. Oddly enough the girls in both series seem to be based on the same archetypes (i.e. Musubi - Kagari). Although Sekirei has considerably more ecchi than Rappi Rangai, the story seems to be better there and the characters way more likable. If you liked one of those series, you might want to check the other one as well.
P.S. There is a gender-bender element in both series, but somehow it was far less annoying in Sekirei.
Yuuto Amakawa has had a tough life. Seven years ago, both of his parents were tragically killed in a car accident, leaving him without a single living relative. His friend Rinko Kuzaki has taken care of him every since. Yuuto's sixteenth birthday has arrived, but instead of a birthday gift of a normal life he meets Himari, a catgirl samurai who swears to protect him. Within weeks Yuuto's life is thrown into chaos as his family's dark past comes to light. With demons appearing around him, Rinko and Himari fighting for his attention and a sinister plot beginning to surface, can Yuuto live the normal, safe life he wants so badly?
Both go like this: Weak guy is surounded by strong girls, who when not fighing to protect him, fight each other over him. The elements both of those series are constructed from are the same, yet one can't help but think that Omamoru Himari is vastly inferior.