Des：The Kuramoto family is a three-generation family consisting of Eri, her son and his wife, and grandson Kameharu. Kameji was raised by his grandmother Eri from an early age in place of his son and his wife, both of whom were busy working. One day, she decides to go on a trip to a hot spring with everyone to celebrate Eris 60th birthday, but along the way, her son and his wife, who are busy as always, become suspicious, so Eri and her grandson head to an inn. is what happened. The two arrived at the hot spring...