Something that causes a very weakened immune system. Heck just being anemic and very sheltered could probably cause enough of a startle response. Kid has probably only seen like 10 people his whole life so who knows.
Bro were they like colleagues? Before that sunbae of his turned into an animal. Probs why they doing some kind of experiment, planning on turning them back into a human fully.
Okay, what illness makes you frickin pass out just because you got startled. Lay it down to me.
Something that causes a very weakened immune system. Heck just being anemic and very sheltered could probably cause enough of a startle response. Kid has probably only seen like 10 people his whole life so who knows.