
Quick answer — Masami Hagiwara worked on Rurouni Kenshin OVA: Trust & Betrayal (Tsuioku-hen) (Art Director), Rurouni Kenshin (Art Director), Rurouni Kenshin OVA: Reflection (Seiso-hen) (Art Director).
Masami Hagiwara worked on Rurouni Kenshin OVA: Trust & Betrayal (Tsuioku-hen) (Art Director), Rurouni Kenshin (Art Director), Rurouni Kenshin OVA: Reflection (Seiso-hen) (Art Director).