I Am a Savior in the Elf World

Oh my God! Where is this place? Am I not already dead? What the hell is going on? I remember that before I died, I often dreamed of an elf. But now, who can tell me—— Why is the thing flying outside the window a Bibi bird? Why is Buddy the dog guarding the door? Why is there a strange man carrying things for him behind him? Just when I was still in a daze, a beautiful girl suddenly walked in. "Lin Chunbing, the doctor returned to China today. Don't you want to be a trainer? Go to the Elf Research Institute!"