Why Should a Good-For-Nothing Girl Make a Contract with Me, the Strongest Person?

Beast Control+No morals+Not Invincible+Daily+Funny Jiang Liang traveled through the world of beast control after being knocked away by the Hundred Ton King. On the day of the contract, he walked onto the stage with confidence as he met all the requirements for being a leading actor in a cool novel. Then he became the first person in the history of the world to fail to sign a contract. Just when Jiang Liang was confused, a ray of light flashed and he suddenly appeared on the contract stage again, becoming the contracted spirit beast of the girl Zuo Xiufei. The newly bound strongest trainer system detected that the host had turned into a contract beast and collapsed on the spot. How can an ordinary human survive in this world where everything depends on contracted beasts? Waiting online, it's quite urgent