Ijiwaru Houteishiki
イジワル方程式
Mizuki's life worsens when Ryohei, her longtime neighbor and bully, becomes a student teacher at her high school. She now faces him both at school and at home, unable to escape his presence. Ryohei continues to torment her, making her daily life increasingly difficult. She struggles to find a way to deal with his constant harassment and the challenges it brings.
