Blue Age

Superheroes were real. But they're gone now, and our world has been destroyed in an apocalyptic war they fought to save us. In the far future, a young scavenger named Blue discovers a troubling message that may lead him to the whereabouts of the last surviving superhero. He must travel across the ruined world with a knight haunted by a dark past, and a cocky, devil-may-care cowboy.

Along their journey, Blue begins to develop conflicting feelings for his two protectors...