As for the Elf That Was Promised, Why Did You Transform?

Bai Ye traveled to the elf world. I originally thought that I could use the gap in knowledge to become an outstanding trainer in this world. The result was unexpected... Congratulations to the host for extracting keywords: time travel, time, book Congratulations to the host for getting the perfect reward for fusion keywords: Space-time drive! Time King Dial! Where is the promised elf? Why did you suddenly transform? Bai Ye felt a little confused, but after accepting the setting. Bai Ye: It smells so good. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.