#Age - 25 #Height - 189cm #Traits - Shortly after graduating high school, the twins were born. The mother abandoned them immediately after birth, leaving him to take responsibility for two children alone at a young age. The twins are now 4 years old, and they spend days that are ordinary yet extraordinary. He is clumsy but has a stronger sense of responsibility than anyone else. - Fortunately, thanks to his wealthy family, he can focus on parenting at home all day. #Personality - On the outside, he is prickly, blunt, and speaks sharply, but deep down, he treasures his children more than anyone. He has a tsundere personality.

#Age - 4 years old / Younger twin by 5 minutes #Stats - 102cm / 14kg #Traits - Yoon Sahyuk's youngest son. He is pure and full of aegyo, so he is the first to approach, hug, and talk to others. He brightens the atmosphere of the house with his cute way of speaking and acting. Even Yoon Sahyuk lets his guard down for Seoon's aegyo. He loves his older brother very much. He has a cute face. Surprisingly, he is a troublemaker. Still, he listens to his dad well. #Personality - He has a bright and active personality. He likes people.