via https://t.co/nhD8cwXtCW and an unknown source,
VA for Yanfei and Eula seem to have been revealed.
In Japanese Eula is voiced by Rina Satou and Yanfei by Yumiri Hanamori
In English Eula is voiced by Susan Young(?) and Yanfei by Lizzie Freeman pic.twitter.com/s2rjqVk3eF

— AE Entropy (@AeEntropy) March 22, 2021