SEE ALSO: LE SSERAFIM embroiled in rising sun flag controversy

Shoo's son Lim Yoo looked like he was being a good older brother to twins Ra Hee and Ra Yool by patting their heads and showed the close bond he has with his mother as well. Twin girls Ra Hee and Ra Yool also made fans want to pinch their fluffy cheeks!

Shoo commented on the joy of motherhood, "My first child is like a mature oppa [to my twins], and my twins are just lovable daughters... When I think about my three children and husband, I am fully happy as a mother and wife."

Catch Shoo's children on the latest episodes of 'Superman is Back' if you missed it!