Lee Si-young warmly responded as she revealed a diary written by her son Ian.

On the 26th, Lee Si-young shared on her SNS a diary written by her 9-year-old son Ian. The diary began with the sentence, "I am Ian. I am a son from your future," and contained words addressed to her younger self. It continued with expressions of affection for her mother, saying, "Si-young is a really good mom now. She takes good care of Luna and me."

In particular, Ian recalled memories with Lee Si-young, writing, "You used to carry me on your back and go up the mountain. When I was struggling on the way up, you carried me. I will never forget that."

In response, Lee Si-young wrote, "Mom, I should write a gratitude diary today," and added the message, "When our Luna grows up, the three of us should go to the Himalayas. I love you too."

Lee Si-young is known to have spent time climbing mountains at home and abroad with her son Ian. She married in 2017 and gave birth to her son, later going through a divorce and raising two children. Even after recently giving birth to her second daughter, she continues to manage herself diligently and shares updates through SNS.