Barbara & Amber JP Voice Actor Sing Umapyoi Densetsu -うまぴょい伝説 – (CV. Akari Kito & Manaka Iwami)

Rice Shower has complete opposite personality with Amber so her voice is kinda different but they share the same voice actor anyway

Image Source
Amber : https://twitter.com/shirona_775/status/1430181534812844038
Barbara : https://twitter.com/shirona_775/status/1411701491287482371