Position reversal sibling SEX to defeat the domineering sister! A live-action version of a popular work! "You're really annoying, aren't you?" However, my younger brother 'identified' an erotic selfie account on a certain SNS. "This is it... It's my sister, isn't it?" Counterattack of younger brother who has been oppressed begins. Collaboration with popular doujin works! Click here for the original doujin work "When I find my sister's erotic dirt"!