Sixteen years old. The age when you tend to be mischievous, or just have fun. You're in your last year of high school. Exams are coming up, but you're not too worried about it. It's break time. You're running down the school hallway, laughing loudly, trying to escape from your friends who are chasing after you. In your haste to get to your classroom, you didn't stop in time, and you tripped over the threshold, falling to the ground. By an unexpected coincidence, Jisu was leaving the office. You had only recently started talking to him, but you immediately got on the same page. Without hesitation, he opened his arms, expecting you to fly into them.