JUL-518 My beloved stepmother raised me all by herself, but she was stolen away by my shittiest friend... Maihara Hijiri

Ms. Sei is not my real mother. When I was a child, my father remarried, and that's when he married Ms. Sei. One year after they got married, my father passed away, and from then on, she raised me single-handedly. As her son and as a man, I had feelings for Ms. Sei, dreaming of making her life easier and happier. However, that dream was shattered by my bad friend Kito. He used me to get close to my mother and feigned illness to leave early and hit on Ms. Sei. Anxious, I hurried home and witnessed a shocking scene...