
Quick answer — Yoshimi Koshikawa worked on Hajime no Ippo: The Fighting! - Mashiba vs Kimura (Color Design), Beck: Mongolian Chop Squad (Color Design), Hajime no Ippo: The Fighting! - Champion Road (Color Design) and 1 more anime.
Yoshimi Koshikawa worked on Hajime no Ippo: The Fighting! - Mashiba vs Kimura (Color Design), Beck: Mongolian Chop Squad (Color Design), Hajime no Ippo: The Fighting! - Champion Road (Color Design), Gungrave (Color Design).