About my little sister is a sexy and tsundere devil Hatsumi Rin

MAX-A exclusive actress Hatsumi Rin-chan's sixth work is a completely subjective work with a sexy, tsundere younger sister setting! ! One day, their parents suddenly go on a business trip abroad, and they start living together alone with their younger sister Rin. In fact, we are seduced by our tsundere, devilish little sister every day because we are secretly involved with our parents! ! ! A dreamy, sexy cohabitation experience brought to you from a brother's perspective. Hey... Big Brother, have sex... Rin, I really love you big brother! !