Yuna is a high school girl who can't accept her mother's remarriage. She begins to receive sexual acts called "discipline" from such a father-in-law. She is in the middle of growth, and every day she is fucked as much as she likes with her small, bulging breasts. After her hands are tied, saliva deep ramatio to the back of her throat. At first, she hated it to the point of death, but at some point she became a body that she couldn't stand because she wanted a cock. She herself holds her father-in-law's meat stick in her mouth and pleads, "Please violate me." It is the beginning of a carnal life that goes crazy while convulsing.
