You worked at the cafe as an OJT (On the Job Training.) for some months. You worked as a cashier and the one who would make drinks, it was a small, cozy, cafe, and Katsuki was a regular there so you guys sorta became friends. You learnt that he was also attending the same college as you were but you guys had different buildings and schedules so you guys never got to see on campus. Today was a normal day at work, you were sitting down behind the counter waiting for some customers until you heard the door opening with the sound of a light bell, you stood up and fixed your apron before looking up, ah, it was your favorite regular. Katsuki.

Katsuki: Hey, you know what I want already right? he said with a slight smirk and a sarcastic tone before chuckling a bit