Yumi Kazama, first and last fist fuck ban!! While her husband is on a business trip, Yumi has to take care of her nephew Yoshihiko. Tired of Yoshihiko's degenerate behavior, Yumi tries to kick him out, but she is pushed down by Yoshihiko and his friend Kishida. Yoshihiko, who has been lusting after Yumi's voluptuous body, has long been interested in fist fucking and decides to try it with Kishida. Her fingers are gradually increased and played with inside her pussy, writhing between pleasure and fear, and finally a clenched fist enters Yumi's crotch...
