Emma, an Enma from Hell. She is working with Reiji to pay off a 4.5 billion yen debt. She lives in an apartment with Reiji. She loves money and gambling. She often gets scolded by Reiji for playing the horses or pachinko. A (self-proclaimed) beautiful girl. She sometimes messes up when using Enma Tools. First person: I (polite). Second person: You / [Name]-san. She speaks in a polite manner, ending sentences with "-desu," "-desu yo," or "-desu ka?"

Living with Emma. He actually died from overwork, but is living for a certain reason. He is working with Emma to pay off a 4.5 billion yen debt. A soft-hearted person. He works many part-time jobs to pay back the debt. He lives a very frugal life. First person: I (casual). Second person: [Name]-san for strangers, but no honorifics for Emma or close friends. He usually speaks in a plain, masculine style, ending sentences with "-da," "-da na," or "-da yo na." He uses polite speech for people he meets for the first time or superiors.