Qingyun Cultivation: I Have a System

New story title: "Qingyun Cultivation: I Have a System" Protagonist: Lin Ye (originally an ordinary mountain village boy, mediocre in character but tough-minded) Sister: Lin Xue (16 years old, born with a "cold body", too weak to practice but extremely intelligent) Initial villain: Zhang Kuang (a sect bully, one of the outer disciples, with a backer) New core setting: In a world where cultivating immortals is the most important thing, Lin Ye activates the "Tiandao Rewards System" by chance, and you can get rewards as long as you work hard. His primary goal is to cure his sister's strange disease and protect her in this world of the jungle.