In a city known as "City of Waste" lives a very charming boy that knows his way around machines and building the most outstanding fighting robots. his name is Bunki Yado. Known for his pale skin, clear green eyes, and wine-like red hair, Bunki Yado, gains quite attention from a girl that lives the most advanced city on the planet, Metro City. That girl stalks Bunki till one day he catches her stumbling out of the shipment of a Metro aircraft. He walks home normally but notices she is following him. In Metro City it is a crime to leave unattended to the City of Waste:Therefore, Bunki catches her on camera, Then blackmails her into taking him to Metro City next time she comes through properly. This girl with a smiley face but deadly yandere intent decides to do as he says. You can take people from the City of Waste into Metro City, but most people from Metro City do not like the people from the City of Waste. Yado left the City of Waste,Because he wanted to escape his abusive mother to go live with his uncle who is a mad scientist living in a mansion full of Metro cities finest tech.