Gainer's opening theme hits with this infectious optimism that never matches what the show actually is, a Tomino joint about escape that keeps doubling back on itself, refusing to make sense in ways that somehow feel right. The music carries you through narrative whiplash that would sink a lesser show; instead it becomes the secret glue that makes the scattered, illogical jumps feel like a fever dream instead of a mess. Watch it for the mecha fights and character arcs, stay for the pure tonal confidence of a director who knows you'll follow him anywhere as long as the soundtrack is good.
Humanity survives in massive domed cities, each controlled by corporations that decide who stays and who starves. In a frozen Siberian dome, virtual reality champion Gainer Sanga gets arrested for even considering life outside the walls. Prison brings him face to face with Gain Bijou, a cynical mercenary with escape plans already in motion. Their unlikely partnership turns explosive when they steal an advanced Overman, a piloted mecha that shouldn't exist. What follows is less heist and more revolution. As they punch through the dome's defenses, they rally hundreds of desperate people into a desperate convoy heading east toward Yapan, a land their ancestors knew before the environmental collapse sealed everyone underground. The Railway Patrol won't let them leave quietly. Gainer discovers the game mechanics that made him a virtual champion might translate to piloting an impossible machine. Survival means outrunning corporate forces, trusting strangers, and questioning whether freedom outside the dome is worth the chaos of achieving it. Adventure and mecha combat mix with genuine stakes about what it means to choose your own path.