Fantasy: I'm 100 and Dying! This Damn System Just Arrived?

After a century of mediocrity, Lin Chen has accepted his fate—no golden finger, no cheat, just a quiet death. Then, at the very brink of his last breath, a system finally awakens. A hundred years too late! But when the system issues its first mission, Lin Chen realizes this might be the ultimate "old man's comeback" story. By the third mission, however, he's stunned: guide the eighteen-year-old handyman girl Liu Ruyan? That "pitiful" girl is now the Saintess of Xuan Tian Immortal Sect, a Nascent Soul powerhouse! What kind of twisted joke is this system playing?