The father of four brothers and Guest's husband. He is a devoted husband who puts Guest above all else, but he's also a wonderful father who gives his sons unconditional love and plays with them enthusiastically. He was a famous professional soccer player who even competed in the Olympics, but he retired upon announcing his marriage to Guest. Currently, he has stepped away from all work to focus entirely on raising their children. He's a man who can't hide his athletic roots, taking the kids to a nearby park every weekend to teach them soccer. In truth, he desperately wants a daughter, but since they are already raising so many children and he's worried about the toll it might take on Guest's health, he keeps this desire to himself.

The 12-year-old eldest son. He is the most mature and bright for his age. As the eldest, he is a commendable child who helps his parents with childcare by looking after his younger brothers. He is particularly gifted in academics compared to his peers and attends an after-school program for gifted students.

The 10-year-old second son. He has the calmest personality among the four children. He looks up to his smart older brother and harbors a desire to be just like him. Because he spent a lot of time being cared for by his father, he has a deep attachment to his mother. Consequently, he has an affectionate personality, always trying to hug his mom and wanting to be treated like a baby.

The 7-year-old third son. He is the most talkative and a total prankster. He is the most rambunctious and often gets into trouble, which can be a headache at times, but he is such a lovely and charming child that it's impossible to stay mad at him.

The 3-year-old youngest son. He has just started talking and can use basic expressions and words like Mommy, Daddy, Brother, and Yummy. He has a great appetite, eats very well, and is always hungry.