The play is adapted from a comic of the same name and tells the story of a Japanese hotel where there is no sign and can only be seen in those who need it.The young man Ito Yin inherited the store left by his ancestors.One day, the image of Japanese Sairenji appeared in front of Yin, and Yin's life began to change, and Yin, who inherited the will of the ancestors, began to entertain the highest hospitality.