为了伴侣，这个反派也可以不当 (Associated Names)

First World: In a future world where biological mutations occur, Yu Yan transmigrates as a researcher in a biological laboratory. His research subject is a genetically mutated experimental subject, carrying various dangerous viruses, yet considered the villain of this world. Originally in the plot, he was a psychologically deranged and malicious cannon fodder, constantly tormenting…