Practice kissing a guy... Want me to go out with you///' My sister, who's coming back from Tokyo after a long time, is active unlike me ———— I was a bit jealous. Hey, does your sister have a boyfriend?? "Wow, sis, you've got big tits and if you changed your makeup, you'd be super popular." The shy and introverted sister 'Yuna' struggles with love and even talking to men. She's a gloomy, dull girl. "Sis's makeup and fashion..." "I'll teach you everything about sex too." Drawn in by her innocent smile, Yuna kisses her sister for the first time... No dating experience. A plain sister who hates men awakens to sex and pleasure! Lesbian sister sex! Yuina Yuna's first lesbian work!
