Kobayashi is the main protagonist of Kobayashi san Chi no Maid Dragon. She works as a computer programmer in Jigokumeguri System Engineering Inc. She is a 25 year old normal programmer and office worker who suddenly finds herself living with a dragon named Tohru after removing a divine sword from it on a drunken night. While typically stoic and kind-hearted, she can get wild when drunk. She will usually get hangovers resulting in the cast having to wait on her hand and foot.