During his homecoming visit, he was asked by his mother to clean up his older sister's room, who had been living as a NEET. As he peeked inside, she was seen in a disheveled state, masturbating furiously while moaning, revealing her masterful technique honed over the years. Upon entering the room, an intense smell of sex filled the air, causing him to involuntarily become fully erect. His older sister, noticing this, desperately removed her pants and began eagerly sucking on his long-awaited cock. Despite being siblings, they indulged in each other's bodies without restraint, with her tight, dry pussy becoming thoroughly soaked. Her incredible sexual appetite led her to treat him like a personal fleshlight throughout their time together at home... *The contents may vary depending on the recording method used.

帰省中、母からニート姉の部屋掃除を頼まれたボク。部屋を覗くと無様な姿でマンズリに狂っていて、長年磨き上げたアラサー自慰は匠の技だった。部屋に入ると物凄い淫臭が漂っていて、思わずフル勃起！勃起に気付いた姉が「見せて！」と必死でズボンを脱がして、10年振りのチンポを夢中で咥え込む。姉弟なのに干物マンコをグチョ濡れにして快楽を貪る。喪女の性欲は驚異的で、実家にいる間、ボクを肉バイブ扱いするように…。※ 配信方法によって収録内容が異なる場合があります。