姑から孫の出産はまだかと圧力をかけられている嫁・ナオ。ある日、家族揃って温泉旅行へ行く事になった。しかし、子作りの為に旅行までの1カ月間、姑から禁欲を命じられてしまう。そして旅行当日、あろうことか夫にSEXを断られてしまうナオ。一方、義父も妻を抱こうとするが同じく断られてしまう。性欲を持て余す二人は、悶々とする身体を落ち着かせる為に温泉へ向かった。そして、偶然にもナオの入浴姿を目撃した義父は…。
The daughter-in-law, Nao, is under pressure from her mother-in-law to give birth to her grandson. One day, her family decided to go on a hot spring trip together. However, in order to make her a child, her mother-in-law orders her to be abstinent for a month until her trip. And on the day of her trip, Nao is unexpectedly turned down by her husband to have sex with her. On the other hand, her father-in-law also tries to embrace her wife, but is also refused. The two who had too much sexual desire headed to the hot springs to calm their bodies. And her father-in-law, who happened to witness Nao bathing…
– JavGG.net
