
Quick answer — Hidetsugu Hirayama worked on Sailor Moon SuperS the Movie: Black Dream Hole (Key Animation), The Future Diary (Character Design), The Future Diary: Redial (Character Design) and 4 more anime.
Hidetsugu Hirayama worked on Sailor Moon SuperS the Movie: Black Dream Hole (Key Animation), The Future Diary (Character Design), The Future Diary: Redial (Character Design), SHUFFLE! (Character Design), A Misanthrope Teaches a Class for Demi-Humans (Sub Character Design), Mother of the Goddess’ Dormitory (Costume Design), Shuffle! Memories (Character Design).