Kanna Kamui

Hi Eve!! Kanna Kamui (カンナカムイ) is one of the main characters in Kobayashi-san Chi no Maid Dragon and the main protagonist of Kobayashi-san Chi no Maid Dragon: Kanna no Nichijou. Kanna is a young female dragon, who is exiled from her world as consequence of her pranks.

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Like Tohru, she wears her horns and tail out whenever she's indoors.

Personality
Kanna is soft-spoken and quiet, and demonstrates most her emotions through minute expressions. Despite being technically older than her human peers, Kanna behaves no differently from a human child as she easily tires of routine and enjoys playing games..However, despite her generally unexpressed and implicit demeanor, Kanna is not without emotion, indicated when she has a sudden outburst and cries when Riko Saikawa initially views Kanna as a rival instead of being companions. Kanna may also have romantic feelings for Saikawa, expressing a desire for a similar relationship to what Kobayashi and Tohru have. Additionally, Kanna thankful for their friendship. According to Tohru, she is quite mischievous and enjoys playing pranks, though this was an ultimately futile effort to obtain her parents' attention.

Background
As punishment for her pranks, she is temporarily exiled to the modern world to reflect on her actions. Once she learns that Tohru survived her last battle with a god and is currently living in the modern world, she searches for her in hopes of returning with her to their world.

However, when Tohru refuses to return, Kanna accuses Kobayashi of seducing Tohru. But seeing as Kanna has nowhere else to go, Kobayashi then offers the young dragon to stay with her.

Later in the series, after Kanna shows interest in attending a human school, Kobayashi enrolls her in Oborozuka Elementary and accompanies her along with Tohru to shop for school supplies.

Kanna develops a familial relationship with the two while living with them.

Powers and Abilities
Kanna has the ability to generate electricity. Like other dragons, she is capable of performing incredible and superhuman feats. She is strong enough to throw Tohru several miles up into the air during one of their play fights. She is unable to cast some spells that Tohru can, such as perception blocking, though this is likely from her inexperience and young age rather than her inability to do so. She can recharge her mana by changing her tail into a plug and connecting it to an outlet. Her appetite strangely has the habit of eating bugs and small animals.

Tohru
Kanna respectfully refers to the older dragon as Lady Tohru or Tohru-sama. Tohru claims that Kanna is an old acquaintance of hers, and it has been implied that the two would often play or bathe together back in their world. After Kobayashi offers Kanna to stay with her, Tohru takes up the task of personally teaching her about the modern world. In later episodes, Kanna looks to Tohru as an older sibling.

Kobayashi
Kanna was initially distrustful of Kobayashi possibly due to her preconception of humans, leading her to believe, and consequently accuse, Kobayashi for seducing Tohru and keeping her from returning to their own world. However, after clearing up the misunderstanding, Kobayashi takes Kanna under her care alongside Tohru.

Though initially distrustful towards Kobayashi, Kanna quickly grows attached to her. She is often seen clinging to Kobayashi, holding the woman's hand and hugging her at the waist. Kanna openly yearns for Kobayashi's attention and makes it known that Kobayashi is like a mother to her.

Saikawa Riko
Riko is Kanna's human friend and classmate. They spend plenty of time together outside of school and would often pick each other for partners during school activities. The first time Kanna was invited to Riko's house to play, Kanna declares that she wishes to pursue a similar relationship to Tohru and Kobayashi's with Riko, hinting at a possible romantic affection towards the human girl.

Trivia

 * It is possible that Kanna's surname is derived from Kamuy/Kamui, a group of deities similar to the Shinto kami, found in native Ainu mythology.
 * In fact, Kanna-kamuy is a deity personifying thunder and lightning in Ainu mythology.