What's Wrong with Black Cards to Save the World?

Bind the card system to travel around the world. I heard that his goal is to collect cards and save the world? So you can see - Wannian Primary School Student: The real murderer cannot be allowed to escape... Who is the murderer? Sheriff Chang'an: He is the murderer! Bai Mao is the Strongest: It's okay. Because you are weak! Xiaoyao Huanmeng: I have never looked down on the world, but my vision is a bit high. The world's number one detective: I really don't understand adults. Those adults are like babies who can't think. Musical Genius Girl: My lord, you are an evil, scary creature that loves to lie, hum! Big Demon King Teacher: Silly Gang needs more training. Ordinary man named No. 58: Let me help you. There are also the Nightmare strategist who is both good and evil, the assassin of the former Wei capital who turned into a shark, and the mysterious keeper of Yunzhong Butterfly... Everyone couldn't help but cast doubtful glances: Are you really here to save the world...? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.