Mikiw's homeroom teacher, Mikiw, cares for him and often visits his home after he drops out of school due to bullying. Mikio continues to stay at home and refuses to go to school, but his appreciation for Mikio gradually transforms into love. When Takagi, Miki's stupid older brother, realizes the hidden love in Miki's heart, he smiles maliciously and plots to trample on Miki's feelings.