Shy Rinko Nakagawa seems like a sweet, proper young wife, but her nearly sexless marriage has left her hiding a fetish even from her husband: she loves sucking and licking men's assholes, balls, and perineums. Kissing and caressing flip her switch, transforming her into a shamelessly horny woman who drills her tongue into a man's ass and licks every inch below. She keeps returning to his asshole during sex, and even after taking a creampie, she chooses more ass licking instead of a cleanup blowjob.