Natsume Inagawa Inagawa has a slight crush on her boss , Kozue Hirayama, who works at the same workplace. When she eavesdrops on Hirayama's break-up with her boyfriend, the lonely expression on her face makes the feelings she's been holding back explode. She forcefully kisses Hirayama, holds down his resisting body, and indulges in pleasure. She gradually gives herself over to the pleasure she hasn't felt in a long time. After overtime, she has sex with him in the office and cums over and over again.