Lee Dong-gun has revealed his love for his 7-year-old daughter Roa. Lee Dong-gun appeared on SBS My Little Old Boy' next week's trailer. Lee Dong-gun said, "It's been more than three years since I've been divorced." He said, "I did not want to go home because I was out of the house where three people lived and I was living alone. So I moved because I wanted to move to a place where I only needed space. " In addition, Lee Dong-gun's daily life was revealed. Lee Dong-gun showed up at home and enjoyed drinking even when he went out to eat. Lee Dong-gun's mother, who appeared in the studio, observed her son's daily routine and worried, "What's up?" In addition, Lee Dong-gun's phone conversation with his only daughter, Roa, was revealed, and he showed a smile on his daughter's voice and a "daughter idiot". Lee Dong-gun said, "From the moment of divorce, I met Roa unconditionally every Sunday." "I want to see my daughter grow up happily because I am only my father." On the other hand, Lee Dong-gun made a relationship with actor Cho Yoon-hee through the KBS 2TV weekend drama "Laurel suits gentlemen" in 2017, and married that year and had a daughter in the suburbs, but divorced in 2020.