Jigoro, a senior at his part-time job, invites his junior colleague Norio to a hotpot party! What's more, he forces it at the home of Norio's girlfriend Natchan. Jigoro invites his male friends, Natchan invites her best friend Reika, and Jigoro and the others are excited by the cute girls. Only Norio seems uneasy around the boys... As they get drunk, his fears are confirmed and he starts making dirty jokes and sexually harassing them! Then, when Norio starts getting in the way, Jigoro sends him out to buy some groceries...