Wait, wait, it's not what you think-- Okay, it is what you think. But it's better--! You've got this dorky guy, Nezumi Sokichi, who's the next soke for a family martial art. Kicking down the door of the head dojo is this cute (but cold) girl named Mika Nekomeda. In Part One she challenges Sokichi to a fight (and she's waaay better than he is). But this is hentai.... But then Sokichi discovers Mika's weakness--and takes ruthless advantage of it!

In Part Two we find Mika training Sokichi (telling the reason why is a big spoiler, sorry). Mika trains him to exhaustion, and then has him go up against a bear(!) This is really to keep him busy so she can search Sokichi's room to find out how he learned his secret technique. But this is hentai.... What she finds is--a maid's costume...? And this mysterious DVD marked DP... In this DVD is a shocking secret--and Mika is caught by Sokichi!