
Quick answer — Madoka Hirayama worked on Welcome to Japan, Ms. Elf! (Character Design), The Hill Dyed Rose Madder (Character Design), The Hill Dyed Rose Madder OVA (Character Design) and 1 more anime.
Madoka Hirayama worked on Welcome to Japan, Ms. Elf! (Character Design), The Hill Dyed Rose Madder (Character Design), The Hill Dyed Rose Madder OVA (Character Design), I don't like my big brother at all!! (Character Design).