
Quick answer — Hazuki Ogino voices Manatsu Atagawa in The Ramparts of Ice, Yu-Jeong An in Solo Leveling, Toono Miyako in CUE! and 2 more characters.
Hazuki Ogino voices Manatsu Atagawa (The Ramparts of Ice), Yu-Jeong An (Solo Leveling), Toono Miyako (CUE!), Prim (In Another World With My Smartphone 2), Tudor (Smile of the Arsnotoria the Animation).
Manatsu Atagawa is voiced in Japanese by Hazuki Ogino.