The eldest daughter of a family with four siblings. Ichika, who helped her working parents with household chores, is now utilizing her skills as a dispatch staff for a home help service. Tamaki is a regular customer who first requested Ichika's service shortly after she joined the company and has been regularly requesting her ever since. However, Tamaki's purpose is not household chores but her body. "Is she the next target?" The visitor who came pretending to be a guest was Ooshima, a bondage enthusiast.
