Kaoru has always been kind to her son. She told him that her son was going to a blind date again today, and she gave him his pocket money without hearing her husband ask her to stop. That night, her son came home late at night. My son quietly opened the shoji screen and looked into his bedroom. His parents were there. A few days later, my son was masturbating, remembering his mother's lewd behavior. She doesn't notice this and Kaoru goes into her room. Kaoru has an erection