With the threat of the Demon King thwarted, the three warring academies of Kanto are enjoying an unusual state of peace. Having secured their alliance with Seito academy, Hakufu, Koukin, and Ryomou are now free to spend their time earning money to participate in upcoming tournaments. That is, until the surprising appearance of an old foe, the emergence of a new ally, and the revelation of an old friend's identity threaten to turn the schools against one another again.
Minato Sahashi was living a normal life; he had just failed his college entrance exam for a second year in a row, and lived a quiet life in a single's apartment. That is, until the busty Musubi fell from the sky on top of him! She is a Sekirei, one of 108 that are destined to fight each other until only one remains; and he or she will ascend to heaven with his or her chosen one known as an Ashikabi. Minato soon finds himself in the embrace of Musubi, becoming her Ashibaki - but his life will only become more complicated. Musubi isn't the last to claim Minato as her Ashibaki, and what's worse, plenty of other Sekirei and opponents stand in his way!
in both animes we see a very nice ecchi/nudity aspect and nice fights between naked female characters.Even though in Sekirei most of the fights are as Fan Service and concentrates on a romance aspect in Ikkitousen: Great Guardians there are a few real fights.In other words if you like animes with ecchi and fighting aspects then this two might be the right choices