The first man Rena ever loved was her best friend Rio’s boyfriend, Hajime. Rena, Rio, Hajime, and their friend Daichi are a close college group, but a two-day camping trip reveals that Rio secretly loves Daichi. Rena’s buried feelings for Hajime surge to the surface, and she sleeps with him. Director Jo Asagiri and Rena Miyauchi team up for the first time in an earnest, aching romance about tangled desire and betrayal.