Incestuous Relationship with a Large Penis: Mother Violated by Son's Hard, Slippery Penis (Mizukawa Jun NKKD-346)

She remarried a man who ran a company, becoming the wife of the former president's secretary. Although her son was already an adult, he stayed home and never went out. Out of concern for him, she gently cared for him, even though she was only his stepmother. One day, to encourage her son, the mother went to his room and discovered that her underwear was missing from the washing machine, causing her great distress. Seeing her son hurriedly apologizing, the mother, though troubled, gently forgave him. However, her excited son then pushed her down and penetrated her…!