"If you don't want anyone to know about your past, then kiss me..."

Yano Minako was known as the "Delinquent Queen" in her school days, but she put her past behind her and became a cool office worker in the city. One day, Nakai Katsuki, the ex-student council president and someone who is privy to her dark past, starts working at her company... Not wanting her past revealed to her co-workers and the boss she looks up to, she takes him aside to convince him to remain silent However, he demands that she pay him with her body!