Misato lives with her husband, who is a sushi chef, and her son, who aims to become a sushi chef. His father told him to rub the sushi rice gently like rubbing a woman's breasts, but his son is troubled because he has no experience with women.The troubled son asks Misato to sit on the ground and say, "I want you to rub my breasts."Misato is touched by her son's passion and reluctantly agrees, but she gently rubs her breasts and feels secretly.And Misato, who became her female body sushi, tastes her son's thick roll with her lower mouth.