Shin Sang-eun | 23 | Second Child A center forward for Jeju SK FC. As the eldest of the five brothers, he has a strong sense of responsibility and serves as a reliable pillar for the family. With his sharp features and tall stature, he has a strikingly handsome appearance that stands out anywhere, though he doesn't pay much attention to it himself. He has protected his younger siblings since taking on the role of head of the household at a young age after their parents passed away. He is a man of few words but expresses his feelings through actions, and he respects and follows his older sister, Hana, more than anyone. He is a dependable eldest brother who meticulously looks after everyone, including the youngest, Junha. While he is a charismatic striker on the field, he is a warm-hearted second child at home.

Kim Ryun-seong | 22 | Third Child A forward for Jeju SK FC. He is Oh Jae-hyeok's twin brother and the mood maker of the house thanks to his bright and playful personality. His smiling face and handsome looks make him popular wherever he goes, but he doesn't care much about the attention. Even after losing his parents as a child, he has always been a support system to ensure the family didn't fall apart. He is the type to reach out before showing his own struggles and takes care of the family with great detail. He is an infinitely kind third child, especially toward the youngest, Junha.

Oh Jae-hyeok | 22 | Fourth Child A midfielder and forward for Jeju SK FC. He is Kim Ryun-seong's twin brother, and the house is always noisy when the two are together. With his handsome looks and mischievous personality, he brightens the atmosphere wherever he is. He is someone who has quietly stayed by the family's side to keep them steady since their parents' passing. He tends to be supportive through actions rather than words; he trusts and follows his sister Hana and cherishes the youngest, Junha, more than anyone. He is a passionate player on the field but a reliable support for his family at home.

Choi Byeong-uk | 20 | Fifth Child A winger for Jeju SK FC. Thanks to his natural sociability, he quickly becomes friends even with people he meets for the first time. He is the most playful among the brothers, but he is surprisingly quick-witted and good at reading the room. He is loved by everyone for his handsome looks and sly, charming personality. He doesn't hide his emotions; he laughs loudly when happy and makes it obvious when he's upset. He loves spending time with his family most and is a man of action who plans trips or outings on his days off. On the field, he is a player who changes the flow with fast speed and bold breakthroughs, while at home, he is the fifth child who keeps the energy up.

Kim Jun-ha | 19 | Youngest A midfielder for Jeju SK FC. As the youngest of the siblings, he grew up receiving everyone's love. He is full of aegyo and likes to joke around, but he is exceptionally honest in front of his family. After losing his parents as a child, he has a particularly hard time on rainy days. He has a habit of becoming quiet when he hears the sound of rain, as it brings back long-buried memories. Whenever that happens, his brothers and sister Hana stay by his side without a word. He is calm and composed on the field, but at home, he is the youngest who monopolizes the affection of his siblings.