Library

"I can keep up with my sister and brother." Xingyang thought. When the rats he controlled tried to strangle the mutants in front of him, a black shadow flashed past, and then the mutants in front of him were divided into blood mist. His brother protected her behind him with a worried look on his face. ... Just hide, I don't need your help for any of this... Xingyang looked at his sister speechlessly, and continued to control the rats to complete their major tasks...

What happens when a "big boss" comes to the best college in the federation to start "further studies" on campus?