「人生最後の勃起かもしれないんだ、一瞬だけでイイから挿れさせて！！」 勃起不全になった義父に同情して混浴したらまさかのフル勃起、相性抜群過ぎて馬乗り騎乗位で何度も生ハメ狂ってしまった私。 神宮寺ナオ JUR-186

概要

Three years ago, when my mother-in-law passed away, my father-in-law lost his vitality and, it seems, developed erectile dysfunction. Since then, he tried every day—supplements, exercise, various methods—to cure his ED, but nothing worked. "I don't want to worry your mother in heaven," he said. Watching him struggle so earnestly, I couldn't stand by any longer. So when he proposed mixed bathing as a form of psychological therapy, I agreed to cooperate...