
Quick answer — Nina Tamaki voices Light in My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge!, Matthias Hildesheimer in The Strongest Sage with the Weakest Crest, Nina Yamada in Blue Reflection Ray.
Nina Tamaki voices Light (My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge!), Matthias Hildesheimer (The Strongest Sage with the Weakest Crest), Nina Yamada (Blue Reflection Ray).
Light is voiced in Japanese by Nina Tamaki.