If I Risk My Life for Rescue, Then They Call Me a Fireman.

Zombies were rampant. I risked my life to save others, but they were infected. At this time, I activated the life-saving rescue system. This is normal, right? Because the system cannot turn me into a zombie, I have antibodies, so this is normal! I have antibodies and am being used as a guinea pig, this is normal... No! This is not normal! I don't want to be a guinea pig! I activate the life-saving rescue system at the end of the world, come and see how I save mankind step by step! Save humanity! No more talking, someone asked for help, so I went... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.