WANZ-801 When I can't jerk off, my sister-in-law gently grinds on me with a wet, slow hip motion in the cowgirl position. Shinoda Yuu

Forced into a no-fap life due to an injury that left me unable to move my hands during my hospital stay, I couldn't take it anymore and asked my beautiful, big-breasted sister-in-law to help me jerk off just for the hell of it. To my surprise, she agreed! In the hospital, she secretly took care of my injured body, slowly and gently stroking my cock. She even mounted me with a wet, slow grind in a slow cowgirl position. Although she initially hesitated, seeing my fully erect, curved cock made her serious. I couldn't hold back any longer and ended up ejaculating inside her three times!