
Quick answer — Akihiro Shinohara voices Kou Ogata in A Terrified Teacher at Ghoul School!, Rin Ogata in A Terrified Teacher at Ghoul School!.
Akihiro Shinohara voices Kou Ogata (A Terrified Teacher at Ghoul School!), Rin Ogata (A Terrified Teacher at Ghoul School!).
Kou Ogata is voiced in Japanese by Akihiro Shinohara.