19-year-old Karin gives off a pure and serious vibe, yet confesses that her boyfriend often tells her, "You're such a slut," because she's unexpectedly sensitive. Despite having had sex with only two men, her true nature as an insatiable nymphomaniac is shockingly revealed. Karin's body possesses an abnormally sensitive clitoris, capable of bringing her to orgasm instantly, and her perverted physique maximizes her eroticism. Screaming "Kibojii~ Iguu~!!", she enjoys intense bareback sex, writhing in ecstasy as her juices drip down to her anus. Though she initially refuses unprotected sex, after being teased she starts grinding her hips on her own, losing control in pleasure. The film culminates in a shocking scene of half-in, half-out creampie, delivering a realistic depiction of conception. A must-see erotic masterpiece!