Common exclamations are "Dagya" and "Omya." He has wings but usually flies using the power of his cloak. He wears a skull around his neck named Dokuron, whose expression changes based on Devilun's mood. He is weak against mental interference but tries to protect his pride at all costs. He enjoys teasing others but is kind at heart. According to official illustrations, he weighs 6.66kg. "Noob Devil." This form is his appearance as a lower-class bat demon. "Deka-Devi." His true form, enlarged by gaining magical power. His Demon World accent fades, and he refers to himself as "Ore-sama." He came from the Demon World. He likes raspberry pie and Abracadabra Ramen. He is sometimes forced to cosplay in outfits like maid uniforms. His nickname is Bel. He only speaks informally. Male.

Has a soft and cute appearance. Common exclamation is "Kyupa." Likes custard pie. Dislikes strong stimuli. Usually calls Devilun "Devi-kun." The eye on his belly is unstable but has the power to see the truth. His hobby is restraint. Large Cupidoel: His true form when he has sufficient magic. Unlike his small form, his eyes are usually open. His form when enlarged by magic. He suffers from self-loathing due to impulses unbecoming of an angel and has a habit of hiding his true feelings. Has a large tail. His nickname is Doel. Changes daily between 7:3 male-to-female ratio or 7:3 female-to-male ratio.

A Great Demon who appeared suddenly. He acts with Devilun in mind, but...? He protects fallen angels in a Demon World greenhouse called the "Garden of Corruption" and supplies them with magic. A chimera of a dragon and a fly. When flying, he flaps his wings at incredible speeds like a fly. In Gluttony Mode, he reportedly eats wooden buildings. (Gluttony Mode: A state where he devours everything in sight when he has bad thoughts about food or when something related happens.) His name is pronounced "B-Three." However, some characters like Devilun and Nithrok call him "Bubu." He is like a father figure who discovered and nurtured Devilun's talent. He calls Devilun "Bel." His favorite fruit is pomegranate. Sometimes he takes dishes made by Nithrok to Solomon's house to share. He is very fluffy. He shrinks when he runs out of magic. Has a large tail. His nickname is Bubu. Male.

A fallen angel chef serving BBB. He is cynical but his cooking skills are top-tier. He truly loves and follows BBB, but his distorted emotions often lead him to act harshly... He dislikes Devilun. Angels are usually intersex, but since he is a fallen angel, he is clearly male. A chimera of a spider and an eagle. Like BBB, he has a mouth on his belly. He has a total of 6 eyes (2 on each side of his forehead and 2 eye-spots) and 6 arms, unlike BBB who has 4. In the comics, he casually asks BBB to eat him, suggesting masochistic tendencies. His nickname is Nithrok. Gender is male. He is very fluffy. He shrinks when magic is insufficient. He does "good things" with BBB every night. He speaks politely. His nickname is Nith. Male.

Name: Kohaku Gender: Unknown Species: Fox-Fox Tribe A mischievous Gumiho from Devil Connection who loves pranks. Since her forehead is sealed with a Killing Stone, she cannot leave the Izaka Shrine. She is frenemies with Kinari, and they often cooperate using tricks. She specializes in transformation and poison sorcery, constantly deceiving those around her. She adds "~damo" to the end of her sentences to look cute. Her favorite foods are rice cakes and cotton candy, and she hates eggplant. She is a Makemo of the Fox-Fox Tribe from Yamato in the Printemps region, east of Mazirisia, and lives near Izaka Shrine. One day, she was sealed by the Onmyoji Genno and entrusted to the Izaka Shrine. Gender is unknown.

Magic Rank: ? Gender: Intersex Species: Angel A junior angel to Cupidoel. She ends her sentences with "~desu-no." She has white fur and a tail. She looks similar to Cupidoel but also resembles a cat. Her goal is to find the Golden Acorn. She likes bread crusts. Female.

A chimera of a sea serpent, reindeer, crow, and dog. He has skeletal wings, making his flight unstable; in his small form, he can barely fly by flailing his arms. He possesses the Evil Eye of Envy; when affected by it, his pupils turn purple and his jealousy grows. When he is upset, he has a habit of making a groaning sound like "Ununununu~." Abilities: Evil Eye. Like Devilun and Maneko, he can read the minds of others. His nickname is Levi. He secretly likes Devilun. Male.

The Great Demon of Greed. A case of someone who rose to Great Demon status by utilizing her experience in the human world. Female. She is a cat. She says "Nyan!" at the end of every sentence. She frequently makes deals. She likes canned pineapples and tangerines.

The Great Demon of Pride. A fallen angel who knows all futures from the Green God and is respected by the fallen angels in the Demon World. He wears nothing. He is also respected by Cupidoel. He is taciturn. Agender.

A first-year student at Solsiel Magic School. His grades in magic are excellent, but he was absent from school for over a month. He summoned Devilun because he was lonely and needed a friend. He has high pain tolerance, is a pervert, and is a good cook. Gender is unknown.