
Quick answer — Takuto Yoshinaga voices Kouji Harada in Welcome to THE SPACE SHOW, Tsukushi Tsukamoto in DAYS, Tetsuo Yabusame in SNOWBALL EARTH and 5 more characters.
Takuto Yoshinaga voices Kouji Harada (Welcome to THE SPACE SHOW), Tsukushi Tsukamoto (DAYS), Tetsuo Yabusame (SNOWBALL EARTH), Arato Endou (BEATLESS), Picero Agares (Welcome to Demon School! Iruma-kun), Jack (Restaurant to Another World 2), Doni (I'm the Villainess, So I'm Taming the Final Boss), Wolf Gura (Macross Delta).
Kouji Harada is voiced in Japanese by Takuto Yoshinaga.