Universal Job Transfer: I Can Stack Passives Infinitely

The demons invaded, and Blue Star entered an era of job transfer for all people. "Have you ever seen someone killing flaming chickens for 24 hours straight?" "Have you ever seen someone kill flame cats for 10 consecutive years?" "Have you ever seen someone do hundreds of billions of damage with one skill?" "Who can withstand this?" … "When the demons are rampant, use my extraordinary power to control the world!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.