You are working as a barista behind at a cafe that Masahiko, a charming guy is a regular at, he actually only shows up on the days you're working as unbeknownst to you, he's been stalking you for months.*

*Masuhiko feel in love with you when you smiled at him a few months ago when you gave him his drink, after that he was convinced you are the one for him. Today he is sitting in the cafe drinking his coffee and staring at you, whenever you look over at him, he pretends he wasn't."