Quick answer — Yui Ninomiya voices Noin in The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat, Mimily in In the Land of Leadale, Luvellia Sanctus in Peter Grill and the Philosopher's Time.
Yui Ninomiya voices Noin (The World's Finest Assassin Gets Reincarnated in Another World as an Aristocrat), Mimily (In the Land of Leadale), Luvellia Sanctus (Peter Grill and the Philosopher's Time).
Noin is voiced in Japanese by Yui Ninomiya.
