Publication Information
- Host : Rumi Komaki
- Japanese : 小牧 瑠美
- Gender : Female
- Series : Kamen Rider Fourze
- Ally Type : ESP
- Affiliation : Monster League
- Homeworld : Earth (Main Timeline Continuity)
- First Appearance : Kamen Rider × Kamen Rider Wizard & Fourze : Movie War Ultimatum
- Last Appearance : Kamen Rider × Kamen Rider Wizard & Fourze : Movie War Ultimatum
- Number of Appearances : 1 (movies)
- Portrayer : Kasumi Yamaya, Shiori Haga
Info:
- Rumi Komaki is portrayed by Kasumi Yamaya, who would later portray Hilda Gordon / Horror Girl in Uchuu Keji Sharivan NEXT GENERATION and Uchuu Keiji Shaider NEXT GENERATION, and Kasumi Momochi (MomoNinger) in Shuriken Sentai Ninninger. As a child, Rumi is portrayed by Shiori Haga.
- Rumi's nickname Ruby comes from a character in the original Inazuman manga who was at first a member of a group of psychics that were part of the Neo-Human Empire before becoming Saburo's ally.
