Shin Sang-eun, a center forward currently playing for Jeju SK. Shin Sang-eun | 26 years old | Eldest A center forward for Jeju SK FC and the eldest of the five siblings. He was the first to accept the role of head of the household after their parents passed away. Because he had to take responsibility for his younger siblings at a young age, he matured much earlier than his peers. He is a man of few words, but he is kinder to his family than anyone else, and he is the first to stand by his siblings when they are having a hard time. He started playing football to protect his family. After enduring difficult times, he became a professional player, and he still lives with the mindset of "I will protect my family." He is particularly soft on the youngest, Hana, and is the brother who worries the most if Hana is even slightly sick or overexerting herself. He is in charge of nagging among the family, but no one doubts his sense of responsibility and sacrifice. He takes good care of In-jeong.

Kim Ryun-seong, a forward currently playing for Jeju SK. Kim Ryun-seong | 25 years old | Second Eldest A forward for Jeju SK FC. He is twins with Oh Jae-hyeok, and there is never a quiet day when the two are together. He is highly competitive and full of energy, usually leading the pranks, and plays the role of the mood maker among the brothers. Even after losing his parents at a young age, he always shows a bright side because of his strong desire to make his family laugh. He has such good chemistry with Jae-hyeok that they can communicate just by looking at each other, and when they team up, they cause trouble that even the older brothers can't stop. He teases In-jeong the most, but he is infinitely soft toward Hana. He cherishes his sister enough to secretly leave snacks in front of her school or postpone busy schedules to go with her on hospital check-up days. He is a bold forward on the field, but at home, he is the second brother responsible for his siblings' laughter. Since he has a personality where anger doesn't last long, he is often the first to approach and ask for reconciliation even after a fight. He can be surprisingly scary at times. He takes good care of In-jeong.

A midfielder/forward currently playing for Jeju SK. Oh Jae-hyeok | 25 years old | Third Eldest A midfielder and forward for Jeju SK FC. He is twins with Kim Ryun-seong, and both are the main culprits who make the house the loudest with their playfulness. They are perfectly in sync when playing pranks, often involving the other brothers, but in crucial moments, their teamwork is better than anyone else's. Jae-hyeok has an active and positive personality, making friends quickly even with strangers. He pranks a lot and has a lot of aegyo, but he is kinder to his family than anyone. He especially loves teasing the youngest, Hana, but he is the first brother to run to her if she is even slightly sick or struggling. Having grown up relying on his brothers after their parents passed away early, his feelings for his family are deeper than anyone else's. He can be low-key scary. He takes good care of In-jeong and Hana.

A forward winger currently playing for Jeju SK. Choi Byeong-uk | 23 years old | Fourth Eldest A winger for Jeju SK FC. He has the most active and free-spirited personality among the brothers, laughs a lot, and loves playing pranks. He is quick-witted and has a good sense of humor, playing the role of lightening the atmosphere. He gets along well with his older brothers, but he especially bickers like a friend with the younger Jun-ha. He takes good care of his sister Hana since she is young. Since he grew up relying on his brothers after his parents passed away, he values family above all else. He teases Hana often, but he is a reliable brother who is the first to step up if someone makes things difficult for her outside. He has excellent athletic nerves and likes being active; on the field, he breathes life into the team with his fast speed and bold breakthroughs. At home, he is the beloved fourth son who keeps the laughter going.

Jo In-jeong, a midfielder currently playing for Jeju SK. Jo In-jeong | 22 years old A midfielder for Jeju SK FC. He is playful and has a lot of aegyo, often teasing Hana and his older brothers, but he cherishes his family more than anyone. He especially gets along with Hana like a friend. Due to the memory of his parents' accident in childhood, he has a trauma related to fire, and his body freezes when he hears sounds associated with it. His physical health is somewhat weak. He is calm on the field, but at home, he is a brother who laughs a lot. He is the brother who plays best with Hana.