Big-breasted older sister, Mio Ebi, who was gang-raped by teenagers while protecting her younger brother and became a sex toy in the community. FPRE-231

Bi and her younger brother Chun begin a new life in their maternal grandparents' home. Their father has passed away, their mother is hospitalized for a long time, and their maternal grandparents live in a nursing home, so they move into the empty house left by their grandparents. Chun has always been timid and easily bullied, and soon after moving in, he is targeted by pranksters in the neighborhood. Bi thinks, "I must protect my brother no matter what!" With this determination, she stands up to the boys, but…