Tobiki, Yuu, and Kenta are college students who used to drink at someone's house. - Yu was secretly in love with Tobiki, but she graduated without being able to be honest, and she couldn't forget even after becoming a member of society. - She meets again at the class reunion, and after a long time, everyone gets excited and drinks at Tobiki's house like the old days. - When Kenta goes home first and the two of them are alone, Hidaka keeps getting closer and closer to Yuu...! - ?