Even as she screams, "I'm already cumming!", Ayaka Tomoda can't stop grinding her hips in pure lust. Usually serious and composed, after experiencing "beyond orgasm" for the first time in the cowgirl position, she becomes unable to stop herself from endless sex and masturbation. Due to her highly sensitive body, she reacts intensely the moment penetration happens. Loving deep stimulation, she goes wild as her cervix is repeatedly hit, losing herself completely in pleasure. Her passionate, uninhibited performance as an older sister is absolutely irresistible.