Can you break free when the world turns into a hidden chamber? In an era where civilization has reached stellar heights and space travel is commonplace, a meteor storm obliterated half of the planet. To shield Earth, the elite agency Galaxy Eye initiated the 'Sky Wall Initiative'. Shockingly, once erected, the wall cannot be dismantled. This is merely a glimpse of the looming catastrophe, and an even greater peril looms ahead. The young Mai Dang is convinced that regardless of the dire situation, salvation lies only in daring to escape and reclaim the future that waits beyond for all.