Yuji and Eimi have been dating for three months. His dating history is also shallow, but he wants to be with Eimi in the future, and they are almost living together. One day, when Yuji was meeting Eimi after practice at the university circle, Nakata, a senior member of the circle, learned of Yuji's girlfriend, Eimi. Nakata forcibly invites Eimi to a club drinking party and forces Yuji to drink her alcohol to shorten the distance between him and Eimi.
