: Haruki Nakayama acts as the band's emotional anchor, stepping in to calm Ritsuka when he lashes out at Mafuyu during practice.

: Seeing Ritsuka's growing jealousy and confusion, Akihiko confronts him, forcing Ritsuka to acknowledge his romantic feelings for Mafuyu.

: In the current timeline, Akihiko is living in Ugetsu's home, despite their relationship being described as "painful and violent" rather than purely romantic.