On August 7 episode of KBS' reality show 'Guys Doing Housework Season 2' (literal translation), Yulhee and Minhwan were seen having a talk about whether they want more children.
While having some late-night snack together, Yulhee and Minhwan mentioned how much their son Jae-yul had grown.

Minhwan commented, "Yeah, you are right. Did you know this, by the way? You will still be in your 20s when Jae-yul enters elementary school."
Yulhee responded, "I know. I want to be the prettiest mom there and will be. I'm going to style myself really nicely whenever I visit Jae-yul's school."

Yulhee instantly responded, "I want at least three children."
Surprised by her response, Minhwan's eyes widened and asked if she would be able to do it.
With a smile, Yulhee answered, "If our second child is an easy one, then yes."

After Jae-yul was born in June last year, they held a wedding ceremony about three months following that.
(Credit= KBS Guys Doing Housework Season 2, 'yul._.hee' Instagram, Online Community)
(Lee Narin, SBS Star)