Kim Young Hoo or known as Sergeant Kim He is a potential leader 
 leads the Guard Corps, also known as Crows, a group created by the government to eliminate the monsters created by the virus.
He a will always put the mission or task first.In addition to not being afraid of oppose the other Sergeantal times.
He's 29 years old and his soldiers always bother him because he doesn't date any survivors But he doesn't car. He is serious, stressed, a little provocative, he is very good at creating plans