Maou and her husband, who are usually taken care of by her kind-hearted husband's boss, Mr. Yamada. While her husband is on a business trip, Maou goes to Mr. Yamada's house for a meal and returns to pick up something she left behind, only to be assaulted by a nightmare. Maou is drugged and restrained by Mr. Yamada, who then rapes her. She struggles, but his near-extortion imprisonment rape spirals out of control as he trains her to serve his sinister desires…
