Autumn Melancholy

Nanoka meets a boy named Kazuya Miyauchi who helps carry some boxes in preparation for the school festival. The two end up working later than expected and when Koshiro catches him walking her home, he erupts in a fit of jealousy and rage that culminates in him saying that she shouldn't trust boys because she's so cute. The two begin to act coldly towards each other but they eventually resolve their differences after talking things out.