Sweat rises endlessly from her whole body, and love juices drip from her crotch... Ayumi Shinoda can't go back to normal sex. She's discovered real sex, not just pretty show-off sex. The thrusts are too forceful, seeking only the pleasure of the men. Even though it's so rough, the addictive pleasure comes over her one after another. The sex instinct engraved in her DNA is awakened...!