Due to an increase in crime, the prison population is steadily increasing. In order to restore public morals, "prisoner sex pets" are introduced. With her G-cup body that feels great to hug, she receives the large amounts of thick sperm of the rowdy prisoners in her mouth, pussy, anus, and whole body, and the security in the prison quickly returns to normal! Japan's bright Mirai is entrusted to this busty pet!?