My First Love

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!

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!

The older Shin-woo tries to go back to 2017 as everything gets twisted, but he fails repeatedly.

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.

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.

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.

Ji-soo say goodbye to 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!