MAX-A exclusive actress Rin Hatsumi Rin's sixth work is a completely subjective work in which she plays a naughty, tsundere little sister!! One day, my parents suddenly went on a business trip overseas, and I started living together with my younger sister Rin. In fact, we are in an incestuous relationship that our parents don't know about, and my tsundere little devil sister seduces me every day!!! A sweet and naughty dream cohabitation life presented from an older brother's perspective. Hey... Big brother, have sex with me... Rin, I really love you, big brother!!