Due to overspending on parties, Hinata House faces a complete utilities shutdown in three days. Keitaro takes on a brutal manga assistant job to help. Meanwhile, Naru runs into her childhood crush, now a Tokyo U archaeology lecturer, rekindling old feelings.

With financial woes looming, Haruka takes everyone to a beach house to work over the summer. The group must perform a ridiculous play to attract customers, while Keitaro struggles with his feelings for Naru amidst all the chaos.