Yu Zuo is a little white sheep and a murderer. These are just two different personalities. The day before Yu Zuo was arrested by the police, the end of the world came. Yu Zuo obtained a system called "Doomsday Self-Rescue System". Yu Zuo followed the system's tasks step by step, but unexpectedly he offended someone he shouldn't have. This article is 1v1, easy and non-violent, main and passive, with secondary CP.