Refusing to Practice the Ruthless Way, I Will Lead My Whole Family to Become a King in the Doomsday

When the doomsday comes, Ling Hua refuses the sister-killing mission of the Wuqingdao system, binds to the inheritance system, unites his family and friends to survive in the doomsday, kills monsters and upgrades, avoids the pursuit of powerful enemies and himself in the parallel world, and leads everyone to become king in the doomsday.