Three years ago, her ex-husband took custody of her son... even though she loved him more than him... Yukari was so frustrated that she had sex with her son that night. Her only hope for life was the one day a year she could see her son. Her ex-husband remarried, and she was worried that her son would be taken by his stepmother. But on the day of their reunion... she didn't want to be separated from her son again. The mother exposed her naked body to her son, took his hardened penis in her mouth, and gently welcomed it into her vagina...