The Shivering Summoner

"Please don't crowd, queue up to pay, buy what you need, don't grab." Zhang Liqiu patted the billboard next to the cashier and repeated it again. A month ago, animals all over the world began to exhibit violent symptoms, scratching and biting people when they encountered them. Zhang Liqiu killed a mutant wolf dog and successfully opened the magical system. Zhang Liqiu was about to cry when he first met the system. "System, I didn't mean it"