Beast Control: I Am an F-Level Pet, an SSS-Level Pet Beast

[Beast Control] + [System] + [Funny and Easy] + [Invincible] Lin Sen traveled to a world of beast control, and along with it, the super pet beast cultivation system was activated. (The host's contracted pet is detected successfully, and a skill upgrade book will be rewarded) (The golden evolution route has been chosen, and the requirements are as follows) (If the pet upgrade is detected, a pet information insight coupon will be awarded) (If the pet beast wins the battle, a random skill copy coupon will be rewarded) … "God Lin, I heard that you only had level F when you awakened your talent? Is it true?" Many years later, Lin Sen was interviewed together with a group of his SSS-level beasts, and he smiled evilly. "Who told you that back then, I'm still an F-level person now!" (Guide to avoid pitfalls: 1. The pace of this story will not be very fast, but the protagonist is basically invincible at the same time; 2. There are some female characters related to the protagonist, whether they are female protagonists is to be determined)