Ms. Machiko Kano (30 years old) is suddenly transferred to the condom sales department, something she never saw coming. Her new boss is Hayase, the top salesman surrounded in sultry rumors. She thought he was just a playboy but when she began to see his true personality her heart began to flutter. Then for "Research and Development" purposes, she had to get very physically close to him. "Even though this is for work, my feelings for Hayase have started to explode!"