Black Butler(2008 - 2011)

The story of this series is about a young boy named Shail who loses his parents in a suspicious fire. He then swears to avenge his family and for this reason, at the moment of summoning the devil, he makes a contract with him that the devil will fulfill all his wishes for his soul so that he can avenge his family. The devil introduces himself as Sebastian, and a magical five-pointed star appears in Shiel's eye. Sebastian teaches Shail the ways and methods of economics, so that Shail can succeed in his own way.