The End of the World: Start Doing Squats to Gain Liver Supplies

[No heroine + no Virgin + various natural disasters + liver supplies] A sudden global heavy rainstorm hit Blue Star. People were panicked for a while, and some people predicted that the end was coming! At this time, Wang Tao awakened the apocalyptic self-discipline system and could gain self-discipline points by doing squats, push-ups, running, etc. Disasters such as heavy rain, extreme cold, dark creatures, and eternal night followed one after another. After a period of time, Wang Tao died accidentally after the eternal night fell. But because of the existence of the mysterious willow branch, he was reborn and his system functions were strengthened. In this rebirth, he vowed not to make any detours, build his own safe house in the last days, and fight these natural disasters to the end.