Kato, who started his own business at a young age, leads busy days. One day, a concerned subordinate arranges for a housekeeper without his permission. He tries to send her away, saying she's a nuisance, but the housekeeper, Iroha, insists on coming in and cleaning. Kato can't take his eyes off her as she sticks out her buttocks as she cleans. Eventually, Iroha closes the gap under the pretext of a massage, and gets close to him. When she realizes he has an erection, she...