Yuta, a boy who was sent to another world with his classmates. A world that has been summoning earthlings, who tend to have high inherent power, to operate humanoid machines called "magic-machines" using the special power "Ludia" contained within humans.However, Yuta's Ludia value has an abysmally low reading of "2". Although his peers are auctioned off at a high price, Yuta is sold at the "lowest price" and turned into a slave. However, will an encounter with the white, magic-machine, Arleo, change his fate?A journey from being an unwanted slave to becoming the strongest hero who shakes the world! The new world Mecha Battle Entertainment has begun