Naruhisa Arakawa is a Japanese screenwriter and lyricist born on March 14, 1964, in Nagoya, Aichi Prefecture. After studying at Aichi University, he debuted as a screenwriter in 1986 while still a student, having been part of the first generation of the Anime Scenario House writing school founded by Takao Koyama. His career spans both anime television series and tokusatsu dramas, for which he is best known.

While Arakawa has served as a series composer and head writer for numerous major productions, he is also credited as an original creator. A prime example is the anime television series The Cosmopolitan Prayers, known in Japanese as Cho Henshin CosPrayers. Produced by m.o.e. and animated by Imagin and Studio Live, the series aired for eight episodes from January 12 to March 1, 2004. Arakawa is listed as the original creator and also served as the series story editor, in addition to writing the scripts for the first four episodes.

Beyond this creation, Arakawa's career is defined by his extensive work as a head writer and series composer. In the field of anime, his credits include Blue Seed, Steel Angel Kurumi, Rizelmine, Elemental Gelade, Spice and Wolf, Yosuga no Sora, Maoyu, Terra Formars: Revenge, Twin Star Exorcists, Island, and More Than a Married Couple, But Not Lovers. In tokusatsu, he has been a major creative force, particularly within the Super Sentai franchise. He served as the main writer for series such as Bakuryu Sentai Abaranger, Tokusou Sentai Dekaranger, Kaizoku Sentai Gokaiger, and Mashin Sentai Kiramager. He is also celebrated as the head writer for Kamen Rider Kuuga, the series that revived the Kamen Rider franchise in the year 2000.

Arakawa's artistic identity is marked by several recurring tendencies. He is recognized for his skill in writing narratives centered on female characters, which has earned him a reputation as a master of heroines. He often incorporates entertainment and idol-related themes into his work, including writing lyrics for theme songs such as the first ending theme for Dragon Ball Z. His storytelling style is noted for blending lighthearted, comedic atmospheres with darker, more serious dramatic turns. He has stated a preference for projects that allow creative freedom and has expressed a particular affinity for writing stories that explore the darker aspects of human nature and the process of overcoming them. Within the Super Sentai series, he emphasizes the importance of teamwork and a clear distribution of roles among the team members, considering the five-member structure to be the core of the franchise. His influence on Super Sentai is so significant that a producer for the series once commented that the work written by Arakawa is the definitive representation of Super Sentai.