Please Let Me Insert Myself Just For A Moment!" When I Took Pity On My Brother-in-law, Who Is Still A Virgin At 30 Years Old, And Accepted His Lifelong Wish To Insert Himself Into Me, The Chemistry Was So Great That I Ended Up Asking For Another Round Of Nakadashi Sex Many Times. Marina Momo

被公司解僱又被趕出家門的青年太一，在找到新工作之前，暫時寄住在哥哥夫婦的家裡。但是，在哥哥家也沒有自己的容身之處，每天都被哥哥罵道：「都30歲了還是處男，真是沒用的男人啊。」想要重拾自信的太一，向嫂子真利奈提出了奪走他處男之身的終生請求。同情太一的真利奈，想著只給一點點而允許了他，但在『插入的瞬間』被麻痺般的快感襲擊…。