In his past life, Grant was locked on a rooftop by his brother Cole during a heatwave and died. Reborn before the apocalypse, Grant builds a constant-temperature cellar and stockpiles supplies. Facing the heatwave and thugs, Grant must kill his former life's enemy and build 'Warm Dome' for those who helped him. This time, I set the rules. In this boiling hell, I will be the sole rule-breaker!
