Apocalypse Livestream: Rise of the Mech King

DramaBox synopsis

Office worker Sam Knox is chosen for a billion-dollar reality show built around a fake apocalypse, where he believes he is the last person left on Azurea. As the world waits to watch him break down, he awakens the Ultimate Mech System and shocks everyone with his genius-level inventions. From designing advanced mechs to achieving miniature nuclear fusion, Sam risks everything to save humanity. When the towering World-Ender Mech rises above the city, a legend is born.