Hachiman’s sister is asks for advice from her classmates. Apparently she has been acting strange lately, and the Service Club intends to find out why.

Yui invites Hachiman and Komachi to the annual summer fireworks festival. The pair run into Haruno, who explains the complicated relationship between herself and Yukino.

The field trip in Kyoto continues, with the Service Club trying their best to help solve their problems. Later, Hachiman makes a surprising realization.

First step in Hachiman’s plan? Rally the troops! Together they’ll create a prom proposal so awful, the PTO will have no choice but to choose Yukino’s instead.

Hachiman has a new objective: granting Yui’s wish. First step? Help her bake something delicious for Komachi, and perhaps include Yui’s mom’s “secret ingredient.”