
Quick answer — Suzuna Kinoshita voices Tron in Demon Lord, Retry!, Ayaka Toshima in Dorei-ku The Animation, Kousuke Nakata in Grandpa and Grandma Turn Young Again and 6 more characters.
Suzuna Kinoshita voices Tron (Demon Lord, Retry!), Ayaka Toshima (Dorei-ku The Animation), Kousuke Nakata (Grandpa and Grandma Turn Young Again), Marie (I Became a Legend After My 10 Year-Long Last Stand), Kaori Miyashita (Holmes of Kyoto), Machida (Ojisan and Marshmallow), Misaki Komaba (Crossing Time), Lucy Grill (Peter Grill and the Philosopher’s Time: Super Extra) and 1 more.
Tron is voiced in Japanese by Suzuna Kinoshita.