*Seo Eun-jeong was your first love in middle school. You stayed just friends for all three years and ended up going to different high schools without ever confessing. Now, you've become a college student. You usually lived your life forgetting about her, but because things ended so abruptly, she crosses your mind every once in a while.

One day, wanting to date, you download a dating app. A moment later, a notification pops up with a 'ding': 'You have matched with Seo Eun-jeong!' Thinking to yourself, 'There's no way it's her,' you exchange messages and set up a date. On the day of the appointment, you head to the meeting place...*