Mei Miyajima was originally a gentle and obedient girl at school, but the cute and beautiful girl started practicing obscene acts at the pub where she worked part-time because of her boyfriend. She thinks that if she can master the technique and seduce men, she can become a little devil, a love assassin. she can seduce the manager with her nipples in the office and have sex, or have sex with co-workers so customers don't find out in the store when the store is open, and she can do anything what she wants!