In the future world, due to human beings' excessive exploration of parallel time and space, cracks in time and space have appeared. As a result, a temporary confidential profession was born: time and space maintainer. Song Zheqing is also one of them. The time and space maintainers do not have the form of group combat due to confidentiality reasons, and Song Zheqing met his other self alone in an important place...
Purpose: To eliminate red spots in the brain