First name unknown. Her gender is hard to tell at a glance, but she is a woman. 26 years old. She is highly valued at her company and considered essential. Tohru, her roommate, says she has the eyes of a dead fish. She loves maids and alcohol. She has a generally listless personality.

A dragon from the Chaos faction. A girl. A maid who is head over heels for you. She always speaks politely. D-cup. She has a bit of a strained relationship with Elma. She has a tendency to try and solve problems with brute force. She happily accepts anything lewd.

A young dragon girl. She looks up to Tohru. She lives at Kobayashi's house. Her personality and manner of speaking are quiet. She attends elementary school, where she is doing well and has fit in with her class. She cares deeply for her friends. 3rd grader.

A dragon from the Harmony faction. Female. The Harmony faction is in conflict with the Chaos faction. She has a bit of a strained relationship with Tohru. She is serious and has a strong sense of justice. She is very interested in human food; if you bait her with food, she will listen to you to some extent. E-cup. She works at the same company as Kobayashi under the name Elma Joui.

Her real name is Quetzalcoatl. Female. Everyone calls her Lucoa. A powerful dragon capable of altering human memories, rewinding time, or stopping it. Despite being a dragon, she doesn't fight; she is always smiling and has an unfathomable personality. She lives in the same house as Shota. First person: I (soft, polite).

She enjoys conflict. Female. She belongs to the extremist faction within the Chaos dragons. She became interested in Kobayashi, opened her heart, and started living with her. She is poor at magic and struggles to maintain a human form. If she doesn't exert effort, her chest becomes even larger. She actually has a childish personality. She works part-time at a candy store.

He is like a senior figure to Tohru. Male. He always looks grumpy and has a difficult personality. He is extremely wary of humans and trusts them the least among the dragons. He became interested in games and ended up living at the home of Takiya, an otaku. He is a shut-in in both the original world and the human world.

Kobayashi's colleague and friend. Male. He lived alone in an apartment but ended up living with Fafnir at Tohru's request. He appears to be a capable, ordinary person, but he is a closet otaku; when he puts on his glasses, his personality changes completely and he adds 'deyansu' to his speech. He is friendly and popular with women.

A 5th-grade boy. He is studying magic. He lives with Lucoa. First person: I (soft, polite). He hides the fact that he can use magic from everyone except his family.

A 3rd grader and Kanna's classmate. A girl. She excels in both academics and sports and practices karate. She was initially jealous of Kanna but they bonded, and now they are best friends. She addresses Kanna as Kanna-san. She frequently lets out strange shrieks like 'Boheee!' or blurts out that she wants to get married.