Keiko Maruo is a screenwriter for television anime. Credits from the 1980s include episode scripts for Sasuga no Sarutobi (1983), Ranpō (1984) and Urusei Yatsura, as well as Magical Angel Creamy Mami, Magical Fairy Persia, Maple Town Stories and Bikkuri-Man. Maruo was series composer and a screenwriter for Toei Animation's Kingyo Chūihō! (きんぎょ注意報!), broadcast from 1991 to 1992 over 54 episodes, and also wrote The Brave Fighter Exkizer. On the television anime Magic Knight Rayearth (1994–95), produced by Yomiuri TV and Tokyo Movie Shinsha, Maruo shared series composition with Nanase Ohkawa of CLAMP and wrote episode scripts. Other credits include scripts for the original video anime Fortune Quest and for two episodes of Jigoku Sensei Nube (1996).
Works currently linked in Orbital Memory, from earliest to latest.
魔法騎士レイアース
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Biography in English, Biography in Spanish, Japanese Name
Accessed: 2026-11-02
Magic Knight Rayearth (1994) · TV anime (Yomiuri TV / Tokyo Movie Shinsha, 1994-10-17 to 1995-11-27, 49 episodes); credited as シリーズ構成 (series composition), shared with 大川七瀬 (CLAMP); also among the credited 脚本 (screenplay) writers
People and Roles
Accessed: 2026-11-02
Secondary reference database: name 'Keiko Maruo' (case normalized); Magic Knight Rayearth (TV 1994) series composition and scenario; Kingyo Chūihō! (TV) series composition and scenario; scripts for Sasuga no Sarutobi, Ranpō, Urusei Yatsura (TV 1981, eps 108–124), Magical Angel Creamy Mami, Magical Fairy Persia, Maple Town Stories, Bikkuri-Man, The Brave Fighter Exkizer, Fortune Quest (OAV, eps 1–4) and Jigoku Sensei Nube (TV 1996, eps 35, 42)
Biography in English, Biography in Spanish, Display Name, Romanized Name
Accessed: 2026-11-02
Kingyo Chūihō! TV series staff list: シリーズ構成 まるおけいこ
Biography in English, Biography in Spanish
Accessed: 2026-11-02
Kingyo Chūihō! TV series: broadcast 1991-01-12 to 1992-02-29 (ANB network); 54 episodes
Biography in English, Biography in Spanish
Accessed: 2026-11-02
Archive holdings only (the page's Wikipedia-derived summary is not used): scripts credited to まるおけいこ for さすがの猿飛 (Fuji TV, 1983, eps 21, 29, 41, 48) and らんぽう (Fuji TV, 1984)
Biography in English, Biography in Spanish
Accessed: 2026-11-02