
Quick answer — Hisashi Hirai worked on Fafner Exodus (Character Design), Mobile Suit Gundam SEED FREEDOM (Character Design), Infinite Ryvius (Character Design) and 7 more anime.
Hisashi Hirai worked on Fafner Exodus (Character Design), Mobile Suit Gundam SEED FREEDOM (Character Design), Infinite Ryvius (Character Design), Mobile Suit Gundam Seed (Character Design), Heroic Age (Character Design), s-CRY-ed (Character Design), Fafner (Character Design), Majestic Prince (Character Design) and 2 more.