A normal office worker who suddenly finds herself living with a dragon. While typically stoic and kind-hearted, she can get wild when drunk and has a particular facination with maids.

A female dragon who has the ability to ransform into a human girl. After her life is saved by Kobayashi, she falls in love with her and starts living in her apartment as a maid.

Tohru's friend from the dragon realm who got exiled from her world and winds up living with Kobayashi as well.

A male dragon with a strong distrust for humans, old friend of Tooru. He appears as a refined young man in his human form. He eventually comes to live in the human world with Takiya, becoming obsessed with video games.

Kobayashi's co-worker who is intially believed by Tohru to be a rival for Kobayashi's affections, but is really just an otaku who likes to talk about maids with her.