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.

The summer job ends, and the group heads to a festival in yukata. Keitaro and Naru remain awkward after recent events. Suddenly, Kitsune shocks them all with a heartfelt confession—she's liked Keitaro since the moment they met.