
Quick answer — Kotoyama worked on Call of the Night Season 2 (Original Creator), Call of the Night (Original Creator), Dagashi Kashi 2 (Original Creator) and 1 more anime.
Kotoyama worked on Call of the Night Season 2 (Original Creator), Call of the Night (Original Creator), Dagashi Kashi 2 (Original Creator), Dagashi Kashi (Original Creator).