Cross Milliams, a mysterious young man with a mysterious background, transferred into the Academy of Mech, in which all students were based through mana scores. However being the only manaless student in the academy put him in a pinch. Everyone was looking at him as if he was a freak. The cutest girl in their classroom did not even spare him a glance. He didn’t know that in this academy, mana score is the bases of popularity, which he had none. He was looked down! However, despite being a manaless, it turns out he was secretly OP in handling any Mechs! Cross academy life had just started.