The band 'given,' consisting of Ritsuka Uenoyama, Mafuyu Satou, Haruki Nakayama, and Akihiko Kaji, reaches the final round of the Countdown-fes Amateur Contest, where their live performance skills will be evaluated. Despite their excitement, they fret over having just one original song for the event. Mafuyu, eager to delve deeper into the realm of music, finds unexpected guidance from Ugetsu Murata, Akihiko's complicated romantic interest. Ugetsu struggles to move on from Akihiko, who is torn between his past emotions and uncertain future. As the competition approaches, Haruki experiences uncharacteristic doubts about his role in the band and his bond with Akihiko. The inevitability of impermanent connections looms large, questioning what can be salvaged from heartbreak's aftermath or if only regrets will linger.