My sex drive, after being a homebody for over 10 years, is practically monstrous! Taking advantage of the fact that my four sunny and horny sisters are being so kind to me out of their rooms, I've decided to get them to do horny things with me in exchange for leaving my room! OFTR-017

"We absolutely have to drag our brother out of his room!" To save their brother, Yuuto, who spends all his time holed up in his room playing video games, four incredibly beautiful and sexually inclined younger sisters step forward! The eldest, Mai, is a cheerful and outgoing college student who takes the initiative with a friendly "mutual bathing" approach! The third, Hana, is a diligent high school girl who studies masturbation techniques and even cleans her brother's ears in a cute Kansai dialect! The second, Natsuki, is a serious and beautiful woman with black hair who is even open to cosplaying in a cheongsam or using a vibrator! The fourth, Hikari, is a passionate and youthful-looking high school girl who even makes the taboo suggestion, "You can do erotic things too?" to try and persuade her brother! The sisters storm into the room one after another, determined to get their brother back into society, using all sorts of intense and stimulating methods in their struggle! Starting with an unexpected accident, a chaotic and erotic story unfolds!! With the sisters' overzealous and deeply loving support, will the brother be able to successfully leave his room and reintegrate into society!? This is an addictive, heart-pounding family redemption documentary!