In order to soothe her son who has returned home for the first time in a while, she gives him a massage, which she is good at. When she looks at her son's lower body, who seems to be feeling good, she sees his penis, which is about to burst through his pants. She can't forget that scene and masturbates every day. One day, her son sees her doing it... She decides to use her H-cup super breasts to make every inch of her son's body feel good...