Kokoro, a female college student who loves alcohol, was drinking heavily as usual at her club's drinking party. Takeshi, a junior who was forced to keep her company, got drunk and fell asleep, missing the last train. Seeing Takeshi in trouble, Kokoro offered to let him stay at her room. On the way to Kokoro's room, she found out that Takeshi was a virgin, and feeling a bit frustrated, she tried to seduce him, but his incredible stamina made her cum over and over again!