Given Vol. 4 (manga)

As the band focuses on creating new songs and preparing for a music festival tryout, Haruki grows more and more intimidated by the talents of younger members Mafuyu and Uenoyama. Worried that he's holding them back, he accepts his ex-girlfriend's request to play in her band. Meanwhile, Akihiko realizes that Haruki has fallen in love with him, setting the stage for a major change in their relationship.