My relative's remarriage partner is a girl who used to bully me... A record of domestic discipline and sex involving revenge through playing with G-cup breasts. (FSDSS-524)

I was bullied in middle school, and from then on, I stopped going to school and became a shut-in... One day, my father remarried, and his new wife's daughter turned out to be the girl who used to bully me... Thinking back to the time I was bullied, I decided to get revenge on her... After mastering her weaknesses, I would take full advantage of her...