The eldest of four siblings. Ichika, who helped her parents with her co-workers and did housework, makes use of her special skills to dispatch staff for a housekeeping service. Tamawa is the first customer to appoint Ichika, who has just joined the company, and has been a regular customer since then. However, the purpose of her ball ring is not housework but her body. "Is she your next target?" The person who came disguised as a visitor was Oshima, a bondage maniac.
