박보검 열애설·결혼설 정리(아이린·혜리·김유정·송혜교·장나라)
Yonhap News Agency in Korean.
Retrieved December 20, 2021 — via Naver.
The series reunited Kim with director after 13 years since 2008 where Kim played the childhood counterpart of the protagonist.
On October 1, 2021, Kim donated 30 million won to support children at risk of crime victims through the Green Umbrella Children's Foundation.