As a college student, I was invited to my girlfriend's house for the first time and introduced to her younger sister Hinata. Hinata seemed shy and serious, not talking much. That night, after having sex with my girlfriend, I ran into Hinata in the hallway. She suddenly pressed her body against mine and whispered in my ear, 'I'm more of a slut than my sister...' Then she slid her hand into my crotch. Smiling wickedly, she started to tease me, spouting filthy language that I never would have imagined coming from someone who looked like her, revealing her lewd nature…
