Kokoro, a female college student who loves alcohol, was drinking as usual at a club drinking party. His junior Takeshi, who was forced to deal with him, misses the last train while he is drunk and sleeping. Unable to see her troubled Takeshi, Kokoro suggests that she stay in her room. On the way to her heart's room, he finds out that Takeshi is a virgin, and a frustrated heart seduces Takeshi, but his unbelievable energy makes him go crazy!