Contracted Loser to Control the Beast? I Can Evolve Infinitely!

[Exciting] [Easy] [Invincible Flow] [Multiple Heroines] When Jiang Che opened his eyes, he came to an era where all the people were beast masters, but he contracted the most rubbish F-level beast master? I thought it was the beginning of hell, But he soon discovered that he had a guide to training beasts! His beast can evolve infinitely, from F-level little monkey to SSS-level Lord of the Styx! ... Fengling Yueying, start!