[BBAN-586] Zero romantic experience. A cheerful younger sister teaches sex to a plain older sister who dislikes men—first experience with sisters and lesbians. Yui Haruna Yura Kana

"My sister practiced kissing men skillfully... Shall I go out with you///" My sister, who is returning from Tokyo after a long time, is different from me and more active―――――—I've always envied her a little. "Hey, sis, do you have a boyfriend?" "Oh~ Sis, your boobs are big, and if you change your makeup, you'd be super popular." The shy and shy older sister 'Hina' is a plain, introverted girl who can't even talk to men, let alone romance. "My sister has makeup and fashion..." I'll tell you all about sex, too." Carried away by her innocent smile, Hina shares her first kiss with her――――. Zero romantic experience. Lesbian swamp sister sex awakens the plain older sister who is not good with men to sex and pleasure! Yui Hina's first lesbian work!