Kirisaki Kyōko

A half-Earthling half-alien girl, Kyōko is a famous idol who the ability to create and throw fire at will and becomes a friend to Run when Run portrays an antagonist on her show.

Personality
She is best known for her role as Magical Kyōko, a fictional magical girl character who stars in her own television serial Lala loves watching, often forcing Rito to watch it with her. She reappears again as Run asks Rito to be her date, however Kyoko is able to tell they aren't dating though wishes her luck on getting him. Ever since their first meeting on her show Run and her have done many projects together, one of which is debuting many songs together.
 * When Rito and his friends are subsequently given invitations to an RPG world Lala had partially created, an image of Kyōko is programmed into the game. However, Kyōko's programming within the game is modified by Nana and Momo, turning her into the "Demon King", tasked to seek out Rito and offer him a way to send him and his friends home if he left Lala and promises to be her boyfriend. Adding to Rito's anxiety, Demon King Kyōko threatens to destroy Rito and his friends if he does not state his feelings for Lala. In comedic fashion, the otherwise unbeatable Kyōko is destroyed by a watering can only Rito can use.
 * Kyouko is based upon a character of the same name from 'Black Cat'. Kyouko also appears in a television in "Black Cat".
 * Kyouko also appears in the manga series Mayoi Neko Overrun! on chapter 1