Manabu quit his job and returned to his hometown. However, he just wandered around aimlessly, spending his days at his friend's house. There he met his friend's mother, Yumi, whom he had admired for a long time... Manabu, who had had a crush on Yumi for a long time, could not suppress his sexual desire and pushed her down, saying, "I might as well make her my woman..." His strong cock thrusts violently into her, making her cum countless times, and Yumi's body, reminded that she is not a mother but a woman, gradually changes into that of an obedient female...