A mysterious coffee shop "Café Forbidden" in London, England that is only open at night. The handsome employees of the store had a big secret. A tea-loving vampire, a cheerful werewolf cook, and a taciturn Kyungsi waiter. Yes, they were non-human beings who lived in a human society. One day, a girl wanders into the "Café Forbidden". Her name is Baylu Tong. Her great-grandmother was the first owner of Café Forbidden and a legendary magician! As the members of "Café Forbidden" are involved in the troubles that Ton is involved in, various bonds ...... formed between her and the handsome employees.