FNS-140 I, Momoko Mitazono, succumbed to the temptation of her sister's ass, writhing and fainting from anal cunnilingus while she came in a devilish no-panties appeal.

The first time I went to her house, the one who greeted me was her little sister Momochan with a slightly bratty, impish smile. She would come and mess with us during our time together. One night, on my way back from the toilet, I happened to glance into Momochan's room… No underwear and sleeping face up! Startled and fell → Noticing the sound, Mochan glanced over here and smirked. "Were you watching?" "You're so horny." She sticks out her plump ass and tries to seduce me. "Staring at me like that..." Do you like asses? ... Want me to lick it? 」From that moment on, I started a secret relationship with her——. Initially it was an impulse, but before I knew it, I had become addicted to anal sex. Dominated by that panty-less ass, my sanity crumbled. I can't live without Mochan's anus pheromones…!