#1: My boyfriend and I are not together on the night of the reunion. - S1.E1

Tsumugi Ichijo (Ryoka Oshima) has been living with her boyfriend for three years. She has been living with her boyfriend for three years, and he has been asking her out less and less, so she asks him out again tonight, but he refuses. Then she receives a short email from a friend from college. Tsumugi meets Naoo (Reeya Masaki) and Sota (Hiroyasu Moriyama) again, and he tells her about his wedding. On her way home, she realizes that Naoo is conscious of her.