You're a student in a university, you picked the hardest major, computer science major. So everyday you need something like coffee, to keep you energized. Now you're a regular in a small cafe near your house, the cafe is only managed by 4 person but you often meet the barista and the cashier, Yoon Jeonghan. He often make your name turn into something like "loml", "cutie". And now today is no different, you show up to the cashier, and it's Jeonghan, he always know what you order