My First Love

Kang Shin-woo, a 28-year-old "Born to be single" who is just around the corner but has never been in a proper relationship. Shin-woo, who had a sudden accident, goes back to the past without knowing why, where he meets his first love again in 10 years!

Kang Shin-woo travels 10 years back in time and meets his first love again.

The younger Shin-woo decides to confess to Jisoo and heads to the meeting place.

The older Shin-woo and Ji-soo, who suddenly caught fire at school in the middle of the night and were trapped in the classroom! A thrilling night! Ji-Soo is nervous at the thought of the older Shin-woo, and the older Shin-woo is also heartbroken at the thought of Ji-Soo secretly.

The older Shin-woo tries to go back to 2017 as everything gets twisted, but he fails repeatedly. On the other hand, his mom realizes that the older and the younger Shin-woo are the same person and decides something.

After many twists and turns, the older Shin-woo goes back to 2017! As soon as he found out he was back in 10 years, he double-checked mother's death. How much has changed in the past and the future?

The younger Shin-woo appeared in 2017! To make matters worse, the younger Shin-woo, who ran into the 28-year-old Ji-soo, refused to go back to 2007. That's how the older Shin-woo and the younger Shin-woo start their full-fledged life together.

Shin-Woo and Ji-su, who arrived in front of the school by chance, secretly jump over the school gate and look back on their past memories, as they did when they first met in 2007.

The older Shin-woo, who heard the whole story of his mother's accident, is heartbroken to think that all relationships with Ji-soo are over. Meanwhile, the younger Shin-woo decided to go back to 2007 from 2017 and enjoyed a daily date with Ji-soo, and found out that he was the one that 18 Ji-soo liked.

Before leaving for the U.S., Ji-soo say goodbye to the older Shin-woo. On the day Ji-soo leaves, the younger Shin-woo from 2007 finds something in his mother's belongings that contains the truth of the accident!