Rui and Azusa have always been close friends, but one day, Rui spots Azusa heading toward the old school building. Though the place should be empty, something compels her to follow. There, she witnesses a shocking scene—Azusa passionately entangled with their homeroom teacher. Stunned and overwhelmed, Rui freezes in disbelief. In that moment, the truth about their relationship is revealed, leaving Rui internally conflicted and confused. This film captures that unexpected turn of events. Additionally, bonus footage includes a nervous, heartfelt interview about their first kiss before filming began. A coming-of-age story portraying pure emotions and a first-time lesbian experience.