Quick answer — Rena Motomura voices Coco in Witch Hat Atelier, Marie Shaderan in Betrothed to My Sister's Ex, Kyouka Kitahara in Maebashi Witches and 2 more characters.
Rena Motomura voices Coco (Witch Hat Atelier), Marie Shaderan (Betrothed to My Sister's Ex), Kyouka Kitahara (Maebashi Witches), Hina (cocoon – One Summer of Girlhood), Aoi (SHIBOYUGI: Playing Death Games to Put Food on the Table).
Coco is voiced in Japanese by Rena Motomura.
