I Can Double My Cultivation Speed Infinitely

In a small family, Long Hai is the bottom of the family. One day, Long Hai got a book, which was the first book in the world. From then on, Long Hai's cultivation speed can be increased hundreds or thousands of times. One day of cultivation for Long Hai is equivalent to one year of cultivation for others. Long Hai came out of a small family and reached the pinnacle of life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.