<Episode 1> Koyuki is drugged with an aphrodisiac by her son against her will. Under the drug's influence, she's forced to expose her sensual body in front of her late husband's portrait, then sexually assaulted by her own son. <Episode 2> Unable to hold her bladder, Koyuki urinates in the garden, only to be caught by her son. He blackmails her with the recorded footage and violently dominates her like his personal female dog. <Episode 3> Koyuki is caught masturbating by her son, who immediately pulls her into a tight embrace. From that moment on, she becomes the sex slave of her son and his friend, enduring relentless training and abuse.