The heart of a female college student who loves alcohol was drinking as usual at a circle drinking party. Takeshi, a junior who was forced to deal with it, gets drunk and misses the last train while sleeping. Seeing Takeshi in trouble, Kokoro proposes to stay in his room. On the way to Kokoro's room, Takeshi finds out that he is a virgin, and Kokoro, who was frustrated, seduces Takeshi, but ... - On the contrary, he was insanely squid with his ridiculous energy!