My classmates are not human

On the night of her birthday, the goddess Nolan witnessed the horrific mutation of an alternative student in her class and was brutally attacked. Because no one believed her words, the mutated virus quickly spread across the campus and even threatened the entire city. Yao Fei, who had a crush on her, was even more suspicious by Nolan. Who is the mutant mother that threatens campus security? Can Yao Fei save the entire city at the critical moment?