My brother assaulted my first love. (Shiramine Ikumi, SAME-180)

Mikio, who has become a truant student due to bullying, worries his teacher, Mio, who makes regular home visits. Mikio remains unable to attend school and stays home, but his gratitude towards Mio gradually transforms into romantic feelings. Knowing of Mikio's subtle romantic feelings, his foolish older brother, Takashi, reveals a malicious smile, intending to trample on Mikio's feelings.