The daughter -in -law Kokoro is under pressure to give birth. One day, according to the suggestion of the mother -in -law, the whole family decided to travel to hot spring. However, his mother -in -law ordered him to abstain from sex a month before the trip to give birth. On the day of traveling, my heart will be sexually rejected by my husband. On the other hand, his father -in -law also tried to hold his wife but he refused. The two of them have too many sexual desires that have come to hot springs to soothe their bodies. And the father -in -law happened to witness the bathing scene ...