Synopsis: Gamushapa Heart Beat

Feeling utterly bored with her school life, Kurosu Riri endeavors to spice things up by forming a band with Ayata and Jin. However, the trio cannot reach their potential without the missing piece of the puzzle: Ruki Sugisaki - a former member. The only hitch hindering their reunion is Ruki's feud with Ayata. Can Riri bridge the gap and unify the band with Ruki's return before it disburses entirely?