
Quick answer — Katsura Hoshino worked on D.Gray-man (Original Creator), D.Gray-man HALLOW (Original Creator), Valvrave the Liberator 2 (Original Character Design) and 1 more anime.
Katsura Hoshino worked on D.Gray-man (Original Creator), D.Gray-man HALLOW (Original Creator), Valvrave the Liberator 2 (Original Character Design), Valvrave the Liberator (Original Character Design).