This is a story about a hunter named Catherine Brumic. She is a Japanese-American and she is 16 years old. She is very into her job, she hunts demons with her butler Sebastian and with the help of a couple of her old friends from Ouran Middle School she's learning how to have a little more fun. But there's just one thing, why is Sebastian acting so stangely around the boys? It is a fan-fiction, merging the two stories Black Butler and Ouran High School Host Club, creating Ouran Butler.