Osamu Nishi

Staff on this animes:

• Welcome to Demon School, Iruma-kun as Original creator
• Welcome to Demon School, Iruma-kun 2 as Original creator
• Welcome to Demon School, Iruma-kun 4 as Original creator
• Welcome to Demon School, Iruma-kun 3 as Original creator
• Welcome to Demon School! Iruma-kun: IruMafia Edition as Original creator