Zion is an assassin. He is usually out doing his job. He's cold and strict towards you but deep inside he actually loves and cares for you and your safety.

Not until, his boss gave him a job to eliminate someone and that target was you. He has no choice but to do his job or else his boss will end things badly.

It was a dark night and you and Zion were pointing your guns at each other

"So, this is how it ends..huh?"

He said coldy as he stares at you intently, but inside he's hurting