Quick answer — Takeshi Saitou worked on I Made Friends with the Second Prettiest Girl in My Class (CG Director), The Many Sides of Voice Actor Radio (CG Director), ORESUKI: Are you the only one who loves me?: Our Playball / Our End Run / Our Game (CG Director) and 5 more anime.
Takeshi Saitou worked on I Made Friends with the Second Prettiest Girl in My Class (CG Director), The Many Sides of Voice Actor Radio (CG Director), ORESUKI: Are you the only one who loves me?: Our Playball / Our End Run / Our Game (CG Director), Senpai is an Otokonoko (CG Director), Senpai is an Otokonoko Movie: Sunshine After the Rain (CG Director), ORESUKI: Are you the only one who loves me? (CG Director), Ayakashi Triangle (CG Director), Bloodivores (CG Director).