Synopsis

Branded a traitor by the entire league, the "Mech King" Cael Thorne renames himself Ash Gray and hides out as a janitor at a mech academy. When Aria Vale, the woman who once saved him, is betrayed by her fiancé and trapped in a monster death arena, he is forced to awaken Orion Zero, the legendary final mech, and return to the battlefield with 100% neural synchronization.

Tempest-King of Mecha packs Revenge, Counterattack & Comeback into 45 phone-sized episodes, each only a few minutes long. Last refreshed Nov 10, 2026 — start from episode 1 or jump straight to any episode below.

All 45 episodes of Tempest-King of Mecha