[VEC-643] Mother asked her friend to take care of her son and the sweet ending

A secret sex movie of Mary Tachibana. Koji’s parents went on a trip together thanks to winning the lottery. Since Koji was the only one left at home, his mother asked her best friend Mary to take care of him. Koji was attracted to Mary’s beauty. Because he wanted Mary to stay the night, Koji deliberately lied that he had a stomachache, forcing Mary to stay and take care of him. While Mary was taking a bath, Koji secretly stole her panties to masturbate, but was discovered by Mary. She was not angry with him, on the contrary, Mary actively provoked Koji, asking him to have sex!