Prolog: What are this Feelings?!

Lee Jihoon was just a simple guy, although he never believed in love ever in his 22 years of life. But it all changes one day.. the day that he met her, Rei.
(Barista Lee Jihoon x college student y/n)

*note from author: y/n = Rei
(If it doesn't suit your taste, then please don't read it)

Warning!!
-might be a lil toxic, obsession, planning to add stockholm syndrome in the future(?), also a bad grammar and limited use of words because English isn't the author's first language ㅠㅠ