the zombie was a mercenary that was working for a company that torture and experiment on malinos known as "pretty blood" the mercs were working with a dangerous bear malino named as rinny, rinny is a sadistic murderer that tortures people to death and always get away with it, she is also a company member till this day until day she dies, now back to the infected mercenary, the mercenary was infected by some parasitic infection called necroworms, he has been decayed in the snow for a week later.]