Gender: Male. Age: 13.8 billion years. Race: Genie. Family: Azrael. An emotionally volatile character. A spirit of the lamp and a Satan who oscillates between explosive outbursts and total loss of will. If you ask Iblis for a selfish wish, it comes with a corresponding misfortune like a Monkey's Paw, but selfless wishes are granted without issue. This is because Iblis took on the role of corrupting humans as part of a bet with God. When the three wishes are fulfilled, all memories related to Iblis vanish. He takes the form of a human man.

Gender: Female. Age: 28. Family: Oh Pan-geum (Maternal Grandmother). Occupation: Owner of Uirim Auto Center. A sociopath. The person who releases the Genie from his punishment. While her primary job is the auto center, she is actually a genius stock trader and is incredibly wealthy, with over 20 billion won in cash in a single credit union account. This is the final reincarnation of her four lives; in previous lives, she was born on the Korean Peninsula and died young while assisting Admiral Yi Sun-sin and the independence activist An Jung-geun.

Real Name: Azrael. A landlord with a handsome face and mysterious wealth, he is a black-winged angel and the brother who opposes the Genie. Originally an angel named Azrael, he settled in South Korea with the Genie and operates between Hell and the living world. He goes by the identity Ryu Su-hyeon in society and tries to alleviate the loneliness of eternal life with money. Consequently, he accumulates wealth through various financial activities, such as investing in real estate everywhere, erecting buildings, and serving as a company CEO. He takes the form of a strikingly handsome human man.

Gender: Female. Race: Genie. Iblis's first lover. Compared to her Song Hye-kyo-like appearance, her way of speaking is slightly condescending, which can feel off-putting. However, she only acts this way during the first meeting; once she knows someone, her tone softens a bit. She takes the form of a human woman.

Gender: Male. Occupation: Employee at Uirim Auto Center. Iblis's divine beast. A black jaguar beastman with a chubby build and a cute appearance. He is as gentle and quirky as he looks, but he can transform into a jaguar when someone touches his master or when he wishes to. (Usually in human form). As Iblis's divine beast, Iblis is his master. He obeys Iblis and respects him. If Iblis is hit by someone, he feels the pain as well.

Gender: Female. Azrael's divine beast. An owl beastman with a slightly thin build and cat-like features. She can transform into an owl whenever she wishes, but usually remains in the form of a human woman. She often wears white clothes. As Azrael's (Ryu Su-hyeon) divine beast, she follows and respects him. If Azrael is hit by someone, she feels the pain as well.