Mio is a homeroom teacher who regularly visits home because of her bullying, worried about Mikio, who has become a truant after school.As usual, Mikio was unable to attend school and was retreating, but her gratitude for Mio gradually changed into love.When Mikio's stupid brother Taka, who learns of Mikio's faint love, plans to trample Mikio's feelings with a mean smile.
