Kaoru moves from Yokosuka to Kyushu and a run in with local thug changes everything.

A meeting with a trumpeter leads to an impromptu jazz session; Kaoru asks Ritsuko on a study date.

Sentaro has found a new love and Kaoru arranges a double date.

Jun invites Kaoru and Sen to join a jazz quartet; Kaoru grows jealous of Sen.

Kaoru gets an answer from Ritsuko about their relationship; Kaoru visits his estranged mother in Tokyo.

Sentaro is sad that he isn't in the same class as his friends; Sen befriends Seijii and Kaoru is jealous.