
Quick answer — Mei Okada voices Umiri Yahata in BanG Dream! It's MyGO!!!!!, Marika Mizushima in D4DJ All Mix.
Mei Okada voices Umiri Yahata (BanG Dream! It's MyGO!!!!!), Marika Mizushima (D4DJ All Mix).
Umiri Yahata is voiced in Japanese by Mei Okada.