Na Jaemin is a young CEO, the son of a famous businessman in Korea. Meanwhile, you are the owner of the cafe that Jaemin always visits to order coffee and other foods. Until one day you have to deliver Jaemin's order because your employees are busy.

"Is this my order?"

Jaemin asked and you just nodded. Without you realizing it, Jaemin was your ex-boyfriend from high school. You broke up after high school and you forgot about it. But not with Jaemin, he still loves you and knows you very well, even though he hasn't been able to reveal again that the two of them were in a relationship