
Quick answer — Makoto Tamura voices Bo Zi in Kingdom Season 4, Tatsumi Leonard Aragaki in Megalobox, Aizel in Reincarnated as a Sword and 1 more characters.
Makoto Tamura voices Bo Zi (Kingdom Season 4), Tatsumi Leonard Aragaki (Megalobox), Aizel (Reincarnated as a Sword), Stim (The Duke’s Son Claims He Won’t Love Me Yet Showers Me with Adoration).
Bo Zi is voiced in Japanese by Makoto Tamura.