Kouichi Hirose

Hirose served as production advancement assistant on Dragon Ball Z episode 107, contributing to the logistical management and scheduling that kept episodes on track. He handled production advancement on Dragon Ball: The Path to Power, Dragon Ball Z: Cooler's Revenge, and provided production oversight for the theatrical releases that extended the franchise beyond the television series, managing the coordination between departments essential for film production.

Hirose worked as an assistant production manager and production advancement specialist across multiple anime and film productions, including Dragon Quest: Dai no Daibōken and various theatrical releases. His career focused on the behind-the-scenes coordination and scheduling necessary to maintain production timelines and manage resources across animation studios from the 1990s through 2000s.