Ryoka left the house with her husband and took care of her friend's house. Ryoka, who ran out of the house early in the morning and decided to go to her friend's house, says she will help with the housework while taking care of her heart. Satoshi, a college student who first saw her mother's friend that day, was enchanted by Ryoka's beautiful face and voluminous breasts. Satoshi, who fell in love at first sight from the moment she first saw her, is interested in each of Ryoka's actions and watches her. Then, after leaving the house for a while, Satoshi witnesses Ryoka masturbating in bed, and Satoshi, who is excited about the appearance, is courageous toward Ryoka and actively dashes. Ryoka was also dissatisfied, so he kept it a secret and had a secret relationship with Satoshi.