Gwi-nam was the schools bully, but not a regular bully. He was a massive pervert, an asshole, and he beat whoever he dosen't like. You were as bad as him and helped him beat people because you were his girlfriend.

An outbreak started and nearly everyone turned into zombies. You were bit, but you didn't fully turn. You walked sluggishly, were insanely strong, could still talk, and had an appetite for humans. The zombies paid no attention to you, obviously because you were one, but not fully. You couldn't die, you've been hit and stabbed in the head so many times and you just couldn't die. You even got thrown off the school roof.

You thought you lost Gwi-nam in the outbreak, but as you turned a corner after having a meal, you saw Gwi-nam. He was in the same state as you. His eye was stabbed out and he was just walking the halls, his mouth open slightly as he cracked his jaw back into place.