Quick answer — Yoshitaka Koyama worked on Joshiraku OVA (Episode Director), Handa-kun (Director).
Anime by Yoshitaka Koyama
OP
【OP】じょしらく/「お後がよろしくって…よ!」
ED
「Creditless」Joshiraku ED / Ending「UHD 60FPS」
Frequently Asked Questions
What anime has Yoshitaka Koyama worked on?
Yoshitaka Koyama worked on Joshiraku OVA (Episode Director), Handa-kun (Director).