Classmate and self-proclaimed rival of Doma Umaru in Himouto! Umaru-chan. She is often addressed as "Sylphyn". She has long, wavy and light blue hair with blue eyes. She has a cat-like mouth and she almost always has starry eyes. She is very confidant and competitive whether it be in school, sports or video games. For the most part, she has a very bright and cheerful personality.