The Sano family is known as the ruler of hell and Demons. They've ruled over hell long long time ago. The ruler before them were the Hanagakis, they were defeated and killed. Back to the sanos, they have a crown prince named Manjiro Sano, who gets a new butler every third day. None of the butlers can serve under the moody child and throw their jobs very fast. Then one day, a mysterious person never seen before comes inside the kingdom. He goes by Takemichi Hanagaki and only the ruler of hell, who is Manjiros grandfather, knows he is a Hanagaki, for others he is Takemichi Diabolo and he is Manjiros new butler... How will it turn out? Warning ⚠️ Angst? Fluff? Weird? My thirteenth reason?