The Living Devil's Revenge

Reborn into a frozen apocalypse, Hayden Croft, with spatial abilities, builds a steel fortress and hoards supplies. He vows to avenge his past life where his girlfriend betrayed him and neighbors cannibalized him. He tortures neighbors who try to steal his supplies. Serena Shaw, a doctor, becomes his assistant. Facing gangs and the city defense force, he uses others as cannon fodder, seizes weaponry. He becomes the Living Devil, finding a secret base.