
Quick answer — Kazuki Miyagi voices Soushi Miyamoto in Classroom of the Elite 4th Season: Second Year, First Semester, Matthew Nieves in Isekai Office Worker: The Other World's Books Depend on the Bean Counter, Resshin in Sengoku Youko.
Kazuki Miyagi voices Soushi Miyamoto (Classroom of the Elite 4th Season: Second Year, First Semester), Matthew Nieves (Isekai Office Worker: The Other World's Books Depend on the Bean Counter), Resshin (Sengoku Youko).
Soushi Miyamoto is voiced in Japanese by Kazuki Miyagi.