My Younger Sister Is Good At Tempting Men With Panty Shots - Mio Ishikawa

【Exclusive: Ishikawa Mio takes on her first little devil little sister role!】A tsundere little sister who loves her big brother so much tempts him with panty flashes! To help her idiot brother who's giddy about getting his first girlfriend, she decides to practice sex with him! "This way, my first kiss and first time will be mine!" What was supposed to be a one-time thing escalates into even more temptation! Uniform service blowjob, panty-showing POV sex, and lovey-dovey close-contact sex while repeatedly calling out "Big brother" and climaxing! Three forbidden scenarios that must not be found out! "I love you, big brother//".