The first collaboration work of Seishun Jidai x Momoiro Kazoku! Delicate and small-breasted Lisa Shirajo takes on the first challenge of a full-fledged drama work. For the virgin brother's sake, the tsundere sister has no choice but to practice sex. It's supposed to be a practice, but I accidentally cum many times with her brother's caress and Ji Po. The maternal love that a sister cannot abandon her brother is a must-see.
