Production Credits
Ryuuichi Yokoyama has 4 production credits.Visual Effects
Credited for Key Animation in 1 show - Mieruko-chan.
Credited for Animation Director in 1 show - Otogi Manga Calendar.
Directing
Credited for Director in 1 show - Otogi Manga Calendar.
Writing
Credited for Original Story in 1 show - Otogi Manga Calendar.