Ready to begin his college life in Tokyo, an extremely nervous Fukujiro Honda moves into a shared house, but minutes after arriving, he accidentally breaks an expensive vase...!! The house owner, Akira Monzenji, is also CEO of a men's underwear company. He takes one look at Fukujiro's stunning butt and promises he'll let him off the hook if he can take photos of Fukujiro wearing his company's products...!!! A devoted-yet-twisted gentleman meets a pure-hearted college student with cheeks to die for. Their sweet love story filled with cute and raunchy underwear is just beginning.