Like being left in the flow of time. Quietly living single women. A private company that operates the hostel. Currently there are only two residents. Susawa Yatsuki and Shimao, both of whom live in a dormitory. For those in a secret relationship. It was a kingdom of love. Today, each of them played the roles of "cat" and "tachi" to enjoy enjoyment. When the third person who has entered this relationship appears, At this time I had not even thought about it...