愛する弟の借金のカタに絶倫極道の家に監禁され肉体奉仕を強いられる姉…快楽漬けにされ肉体を求められる日々。射精しても射精しても終わらない絶倫極道オヤジとの10日間監禁生活。俺がチンコだしたらすぐしゃぶれ！俺が求めたらすぐ脱げ！お前は俺の性処理をしろ！！まだまだ終わらねえぞ！この肉便器最高だなぁあ！！いつもいつでも10日間四六時中セックス！捕らわれの身になった美人姉の儚く切ない苦渋の10日間。
An older sister is held captive in the home of a virile yakuza boss as collateral for her beloved younger brother's debts and ****** to provide sexual services… Day after day, she is subjected to pleasure and her body is constantly desired. Ten days of captivity with a virile yakuza boss who never seems to stop ejaculating. "When I take out my dick, suck it immediately! When I ask for it, take your clothes off immediately! You will be my sex slave! It's not over yet! This flesh toilet is the best! Sex all the time for 10 days straight! Ten days of fleeting, heartbreaking agony for a beautiful older sister who is held captive.

– JavGG.net