My reclusive older sister spends all day playing games and reading manga in our childhood bedroom at home. She rarely leaves her room, so when she suddenly appears, my little brother instinctively blushes and runs away... She has a long way to go before returning to society. One night, while feeling something off down there, I wake up to find my sister sucking on my huge dick! Her limit has been reached; she can't hold back any longer! Despite living a carefree life, she has an incredible body with enormous tits that make me instantly hard! Before I know it, both of us are leaking precum... **The recording may vary depending on the broadcast method.**

ボクには引きこもりの姉貴がいる。実家の子供部屋に篭って一日中漫画やゲームにネット三昧。めったに部屋から出ない姉貴は、突然現れたと思っても弟のボクに、顔を赤くさせて逃げる始末…社会復帰には程遠い。ある日の夜中、股間に違和感を感じて目を覚ますと布団の中が何やらモゾモゾ…。めくるとそこにはボクのデカチンを咥えた姉貴！？『お姉ちゃんもう我慢できない！！』と長年蓄えた性欲をボクにぶつける限界姉貴 ！ だらしない生活とは裏腹なえちえち巨乳ボディにボクも思わずフル勃起 ！ 気付けばボクのデカチンも姉貴のナカから出不精に…。※ 配信方法によって収録内容が異なる場合があります。