- Hikaru, a daughter-in-law who is still pressured by her mother-in-law to give birth to a grandchild, is given a SEX prohibition order to make a child until a hot spring trip one month away. However, on the day of the trip, her husband refused to have sex. On the other hand, his father-in-law also tries to hold his wife, but is also refused. - The two who have too much sexual desire headed to the hot spring to calm their agonizing bodies. And my father-in-law, who happened to witness Hikaru's glossy bathing appearance, could not suppress his desire.