Quick answer — Takayuki Onoda worked on Layton Mystery Tanteisha: Katri no Nazotoki File (Prop Design), Hortensia SAGA (Character Design), The Classroom of the Black Cat and a Witch (Character Design).
Takayuki Onoda worked on Layton Mystery Tanteisha: Katri no Nazotoki File (Prop Design), Hortensia SAGA (Character Design), The Classroom of the Black Cat and a Witch (Character Design).
