Through this tale, we are given a glimpse into the bond shared by Matsuda Otome, a student who is home-schooled, and Nakagawa Minato, an educator who works in an elementary school. Following a troubled history, Otome is now receiving the guardianship of Minato-sensei. However, Otome becomes doubtful of Minato's daily actions and decides to investigate. When Otome eventually confronts Minato, what will be the latter's eventual response?