
Quick answer — Ryuuji Iwata worked on I'm Living With a Otaku NEET Kunoichi?! (Prop Design), My Life as Inukai-san’s Dog (Design Works).
Ryuuji Iwata worked on I'm Living With a Otaku NEET Kunoichi?! (Prop Design), My Life as Inukai-san’s Dog (Design Works).