Always having a difficult and sharp-tongued personality, bold and carefree mother Yuri. Frequently away on business trips, she's been in a long-term sexless marriage with her husband. She constantly clashes with her rebellious son, but one night everything changes when she teasingly exposes her breasts, instantly captivating him. From that night on, the son becomes obsessed, masturbating to thoughts of his mother Yuri. Unable to resist any longer, he appears in her bedroom and forcefully removes her pajamas, starting with passionate cunnilingus. Though Yuri protests "No," she gradually gets wetter, her resistance weakening. Then, he forcefully penetrates her, escalating into full intercourse. Overwhelmed by her son's relentless advances and multiple orgasms, Yuri grows increasingly conflicted. From that day forward, the son sneaks sexual encounters with his mother in various places around the house—entryway, living room, kitchen, changing room—all while desperately avoiding his father's discovery. The mother and son's creampie-filled sexual relationship spirals out of control, with no end in sight!