概要

夫との性的関係がスムーズにいかない姉、大場ゆいが不満を抱えて突然地元に帰省するが、持て余した性欲のせいで我慢できずに実の弟とセックスしてしまう。
老公性關係不順暢的姊姊大場唯不爽之下突然回老家，但因為性慾過高難以忍耐，竟然直接硬上自己親弟弟的情節。
Yui Oba, the older sister whose husband is not having a smooth sexual relationship, suddenly returns to her hometown due to dissatisfaction. However, due to her excessive sexual desire, she can't bear it anymore and actually has sex with her own brother.