Fumika, a beautiful young lady, has grown up to be arrogant and treat her father's subordinates as if they were her slaves. However, after her father's downfall and disappearance, she is raped by the servants who had been oppressing her, relentlessly torturing her for pleasure. Guillotine restraints, toy torture, oral ejaculation, and vaginal humiliation with 19 loads of semen...Through various training, the humiliation turns into pleasure. Fumika, who has become a human toilet that only receives men's sperm inside her body, is tormented by the inhabitants of the underworld...