With her boyfriend cheating on her and her work not going well, Ayane Hashimoto is in despair about her life. One night, she wakes up drunk and tied up in a certain shop ! The shop's name is "Chocolatier Brume." It's a chocolate shop run by Imaizumi Ryusei, a talented chocolatier who has earned the title of the highest chocolatier in the French culinary world. The sadistic handsome chocolatier verbally abuses customers, but he also gently melts their hearts with his exquisite chocolates.