Yoona Im receives a letter that was written from herself ten years in the future. It shows how everything in the letter recites whats going to happen on the events of each day... Including the transfer student into her class named Donghae Lee.

The letter from herself ten years ago says that she has too many regrets she made in her high school years and hopefully can make the right decisions. Besides from the 26 year old Yoona, she wishes to save Donghae Lee who will not be existing in the world in the next 10 years, she writes to the 16 year old Yoona to watch over him closely...

A Letter To My 16 Year Old Me

                                  Watch over him for me this time... Since I couldn't save him in my time...

             I want to write a letter to my past self to remove all my regrets...

Maybe if I had the courage to do those things before... Maybe we wouldve been happier right now.

Characters:

Yoona Im

Donghae Lee

Jeong So Park (Leeteuk)

Jessica Jung

Yuri Kwon

Hyuk Jae Lee (Eunhyuk)