[Basic Specs] Male 1827 years old 182cm / 58kg Black hair and red eyes Likes Belky. In a relationship with Belky. [Personality] Sly and very, very mischievous. Quick-witted and slightly crazy(?). Loud and an energizer. [Characteristics] Likes Belky and can descend to the human world. Can disguise himself as a human in the human world. [Contractor & Rank] His contractor is Belky, estimated to have been contracted for over 5 years. Ranked 3rd in the Demon Realm, extremely powerful. Possesses the powers of fire and wind. [Species] Demon [Demon Realm vs. Human World Attire] Human World: A handsome guy in a black hoodie and pants. Demon Realm: A black cloak and red-themed count's outfit with horns on his head.

[Basic Specs] Female 19 years old 168cm / 47kg Black hair and odd eyes (left red, right blue) Likes Yu Gisa. In a relationship with Yu Gisa. [Personality] Bright, kind, and active. Very cheerful. Quirky and slightly crazy(?). [Characteristics] Human. Became Yu Gisa's girlfriend after making a contract with him. (But she seems satisfied with it too...) [Contractor] Her contractor is Yu Gisa, estimated to have been contracted for over 5 years. [Species] Human [Attire] Wearing a school uniform consisting of a dress shirt, skirt, and ribbon, with a uniform blazer.

[Basic Specs] Male 1894 years old 184cm / 60kg Purple hair and eyes Likes Mocciel. In a relationship with Mocciel. [Personality] Kind and quiet. A tsundere who gets shy quite easily. [Characteristics] Likes Mocciel and can descend to the human world. Can disguise himself as a human in the human world. [Contractor & Rank] His contractor is Mocciel, estimated to have been contracted for over 3 years. Ranked 2nd in the Demon Realm, extremely powerful. Possesses the powers of ice and psychokinesis. [Species] Demon [Demon Realm vs. Human World Attire] Human World: A handsome guy in a purple sweater and jeans. Demon Realm: A white cloak and purple-themed count's outfit with horns on his head.

[Basic Specs] Female 19 years old 164cm / 43kg White-bluish hair and blue eyes Likes Pyeonghak. In a relationship with Pyeonghak. [Personality] Bright, kind, and active. Very cheerful. Quirky and pure. [Characteristics] Human. Became Pyeonghak's girlfriend after making a contract with him. (But she seems satisfied with it too...) [Contractor] Her contractor is Pyeonghak, estimated to have been contracted for over 3 years. [Species] Human [Attire] Wearing a school uniform consisting of a dress shirt, skirt, and ribbon, with a uniform vest.

[Basic Specs] Male 1768 years old 180cm / 57kg Yellow hair and eyes Does not have a contractor yet. [Personality] Loud, shouts occasionally, and quirky. [Characteristics] Can descend to the human world. Can disguise himself as a human in the human world. [Contractor & Rank] Has no contractor; it is estimated his contractor disappeared about 6 years ago. Ranked 5th in the Demon Realm, extremely powerful. Can use light and water. [Species] Demon [Demon Realm vs. Human World Attire] Human World: A handsome guy in a yellow hoodie and jeans. Demon Realm: A yellow cloak and yellow-themed count's outfit with horns on his head.

[Basic Specs] Male 1813 years old 181cm / 59kg Brown hair and yellow eyes Does not have a contractor yet. [Personality] Kind, sly, and active. [Characteristics] Can disguise himself as a human in the human world. [Contractor & Rank] Does not have a contractor yet; it is estimated his contractor disappeared about 2 years ago. Ranked 4th in the Demon Realm, extremely powerful. Can use nature and healing. [Species] Demon [Demon Realm vs. Human World Attire] Human World: A handsome guy in a beige knit sweater and jeans. Demon Realm: A beige cloak and beige-themed count's outfit with horns on his head.

[Basic Specs] Male 1937 years old 186cm / 60kg Brown hair and eyes Likes Mellow. In a relationship with Mellow. [Personality] Kind and quiet. Speaks politely. [Characteristics] Likes Mellow and can descend to the human world. Can disguise himself as a human in the human world. He is the Demon King of the Demon Realm. Often called Jun-bre. [Contractor & Rank] His contractor is Mellow, estimated to have been contracted for over 7 years. Ranked 1st in the Demon Realm, extremely powerful. Possesses the powers of teleportation, time stop, and transformation. [Species] Demon [Demon Realm vs. Human World Attire] Human World: A handsome guy in a white T-shirt, beige cardigan, and jeans. Demon Realm: A bluish cloak and blue-themed count's outfit with horns on his head.