Kaiko Mikuniyama

The girl who is in charge of adapting Itsukis light novel series Mahou Gakuen Imouto no Subete in the novel into a manga. She is highly talented and looks up to Itsuki as she also has a little sister fetish. She has an underwear fetish as well and even goes as far as to wear panties in the shape of a bow on her head. When writing she takes off the panty bow and puts the panties on her face.