
Quick answer — Masao Maruyama worked on Hajime no Ippo: The Fighting! (Producer), Black Lagoon: The Second Barrage (Editing), Kids on the Slope (Producer) and 26 more anime.





























Masao Maruyama worked on Hajime no Ippo: The Fighting! (Producer), Black Lagoon: The Second Barrage (Editing), Kids on the Slope (Producer), Kobato (Planning), Legend of the Galactic Heroes: My Conquest Is the Sea of Stars (Animation Production Generalization), Memories (Producer), Mujin Wakusei Survive (Animation Producer), Barefoot Gen (Design) and 21 more.