One day, while drinking alone at a bar, Ritsu-chan is approached by a suspicious man who says he works for a modeling agency and asks, "Would you like to be a model?" Although she wasn't particularly interested, she succumbs to the man's pressure and accepts the request. When she arrives at the studio, she is forced to change into a sexy outfit that is different from what she expected, and before she knows it, she is tied up with rope and forced to drink an aphrodisiac. The men begin to use various tools to mock Ritsu-chan in that state. She resists verbally, but in an instant her crotch is hard! Ritsu-chan's masochistic heart that had been sleeping deep inside her body is ignited. Halfway through, she even begs for more abuse. In the end, while being violated in the ass, she starts stroking her own clit and ejaculates after the man ejaculates! She continues to convulse on the bed, savoring the afterglow...