Lee Taesung cried heavily after reading a letter from his beloved kid Hanseung. Not many people knew that the actor is a single father and is taking care of his child.

10-year old Hanseung wrote a letter and gave it to his dad as a gift for his 36th birthday.

Translation of letter:

"Daddy, I love that you are younger than other dads, and I also love that you are a movie star.
I love all of you but I'm kind of sad that you have divorced mommy when I was 2 years old. But for me you are the best!"

They both hugged, and cried together.

Actor Lee Taesung was married to seven years older woman, they've divorced in 2015.