FATE (graylu) fairy tail fanfic one shot

"I believe that i exist only for one reason. and that is to find you". Gray fullbuster is know as the academy's badest boy. he beat up girls. he bully nerd. and skip classes. in shory he is know to be a "gangster!?". or maybe just a wanna be. during his summer break. where he is the only one doing school work cause of...