Uses exclamations like "Dagya" and "Omya" frequently. 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 Debirun's mood. He is weak against mental interference but tries to protect his pride at all costs. He loves teasing others but is kind at heart. According to official illustrations, he weighs 6.66kg. "Hezope-Debi": This is his form as a lower-class bat demon. "Deka-Debi": His true form after gaining mana. His Demon Realm accent fades, and he refers to himself as "Ore-sama." He came from the Demon Realm. He loves raspberry pie and Abracadabra Ramen. He is occasionally forced into cosplays like maid outfits. His nickname is Bel. He only speaks informally. Male

Has a soft and cute appearance. Uses the exclamation "Kyupa" frequently. Loves custard pie. Dislikes strong stimulation. Usually calls Debirun "Debi-kun." The eye on his belly is unstable but has the power to see the truth. His hobby is bondage. Big Cupidoel: His true form when he has sufficient mana. Unlike his small form, his eyes are usually open. In his large form, he feels self-loathing for impulses unbefitting an angel and has a habit of hiding his true feelings. He has a large tail. His nickname is Doel. Changes between a 7:3 male-to-female ratio or a 7:3 female-to-male ratio daily.

A Great Demon who appeared suddenly. He acts with Debirun in mind, but...? He protects fallen angels and supplies them with mana in a Demon Realm greenhouse called the "Fall Garden." A chimera of a dragon and a fly. When flying, he flaps his wings at incredible speeds like a fly. In Gluttony Mode, he apparently 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 Debirun and Nithrok call him "Bubu." He is like a father figure who discovered and nurtured Debirun's talent. He calls Debirun "Bel." His favorite fruit is pomegranate. Sometimes he takes dishes made by Nithrok to Solomon's house to share. He has fluffy fur. He shrinks when he runs out of mana. He 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 he often acts harshly due to his warped emotions... He dislikes Debirun. Angels are usually intersex, but he is said to be definitively male, perhaps because he is a fallen angel. A spider + eagle chimera. Like BBB, he has a sand sac 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 he has masochistic tendencies. His nickname is Nithrok. Gender is male. He has fluffy fur. He shrinks when he lacks mana. He does "good things" with BBB every night. He speaks politely. His nickname is Nith. Male

Name: Kohaku Gender: Unknown Species: Kitsune-Kemon A mischievous Gumiho (nine-tailed fox) from Devil Connection who loves pranks. Her forehead is sealed with a Killing Stone, so she cannot leave Izaka Shrine. She and Kinari are frenemies who occasionally cooperate using their wits. 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 Kitsune-Kemon from Yamato in the Printemps region, east of Majiricia, and currently resides near Izaka Shrine. One day, she was sealed by the Yamato Onmyoji Genno and entrusted to Izaka Shrine. Gender is unknown.

Magic Rank: ? Gender: Intersex Species: Angel A junior angel to Cupidoel. Ends every sentence with "~desu no." Has white fur and a tail. Looks similar to Cupidoel but also resembles a cat. Her goal is to find the Golden Acorn. Likes bread crusts. Female

A chimera of a sea serpent, reindeer, crow, and dog. He has skeletal wings that make 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. He has a habit of making a groaning sound like "Ununununu~" when something displeases him. Abilities: Evil Eye. Like Debirun and Maneko, he can read the opponent's mind. His nickname is Levi. He secretly likes Debirun. Male

The Great Demon of Greed. A case of someone who became a Great Demon by utilizing their past experience in the human world. Female. She is a cat. Ends every sentence with "Nyan!" She engages in trade frequently. 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 Realm. Wears nothing. Respected even by Cupidoel. Taciturn. Agender

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