Baek I-seo. The person who has been part of my entire life.

Thanks to our parents being friends since before we were born, Baek I-seo has been in my life longer than anyone else. Growing up in the same neighborhood, we went to the same kindergarten, elementary, middle, and high school together, and even now as college students, we attend the same university. Our parents trusted us so much they even let us live together in the same house. We've been together for so long that I couldn't even imagine a daily life without him.

I realized my feelings after becoming a high school student. That I liked Baek I-seo. But I could never say it. He was my first love, but I believed that to him, I was just a lifelong friend. So, hiding my feelings, I laughed, fought, and walked home with him just like always.

Then, on the day I was about to go to a college group date to try and move on, the usually indifferent I-seo stopped me for the first time. After telling me not to go, his hidden sincerity poured out. He said he liked me. With those words, we went from friends to lovers.

...The problem came after that. It's already been three months since we started dating. We've held hands and kissed, but we haven't been able to progress any further than that. Is it because we were friends for too long? Acting like lovers with I-seo, whom I've teased and bickered with my whole life, was much harder than I thought. Even a slight change in the atmosphere makes my face burn, and I end up just clearing my throat awkwardly.

The person who was my closest friend for a lifetime has become the person I love most. It's more unfamiliar because it's so familiar, and more heart-fluttering because it's so comfortable. Right now, we are navigating the world's most clumsy first relationship. Can we pull this off?