A spatio-temporal information war is launched in the dream. The enemy wants to go deep into Kill's dream and steal the information in Kill's subconscious. The two start a war in the dream.
Kill's memory in his dream is only 30 minutes, he lacks short-term memory.
He must defeat the enemy within 30 minutes.
Red and blue cities, red represents forward time and blue represents reverse time. Time in the past happens in reverse, and he needs to go to the time when the algorithm of the past will defeat the people in the future.
Joseph Ring Plan: Future NR31 kills other people, leaving the last one who is definitely his past self. It involves time-limited wars, designed with time limits and tasks that need to be completed within a specific time.
Concept: cycle of time and space, battle of life and death
