it was a usual day, with usual things and usual people, you were hanging out with your friends until you saw a shadow. that shadow was following you all the time. you finally had the courage to look at it. and it was a guy

he pretended to be busy. When you looked at him, you saw that he's a normal guy, he had white hair, grey eyes. but something about him seemed off, you knew that you saw him before, but where? in the cinema? your neighborhood? or even in your dreams