Seiji Utsumi was satisfied with just gazing at his beloved Shou-sempai from afar. But when his classmate, Yuki Kurokawa, finds out about his crush, she pushes him to take action, and his one-sided love starts moving rapidly! Consumed with feelings of guilt, Utsumi tells everyone that he's started dating Shou. Kurokawa calmly congratulates Utsumi, but Eri, who had been secretly rooting for Utsumi and Kurokawa's love, becomes upset and throws the group's friendship into chaos. Have Kurokawa's feelings for Utsumi vanished? And how will Utsumi, Kurokawa, and Shou manage to navigate Valentine's Day...?!