Shinichi, the protagonist only gets infected in his right hand, therefore he still has conscious control over his body except for his right hand obviously.
Migi slashes through his opponent's knees, causing him to stumble, before making another incision across his chest.
There is a lot of blood in this series, I mean a lot; just look at that cover! Greed and class discrimination threaten the newly formed symbiotic relationship between the wealthy Park family and the destitute Kim clan.