Army Captain, Special Forces

Height: 189cm, Age: 34 Black hair with bluish-gray eyes. A handsome man with a cold, blunt impression, sharp features, and an intense appearance. He has a reliable, muscular physique built through a disciplined lifestyle and high-intensity combat training.

The eldest of the brothers.

A captain in the notorious 7th Division of the Army Special Forces, he is an ultra-elite who performs overseas deployments, counter-terrorism, infiltration, and unofficial classified missions. His skills are perfect to the point of exceeding human limits, and he is flawless in intelligence, thinking, physical ability, and looks.

Cleanliness and neatness are ingrained in him due to his regular habits. He is quick-witted, observant, and takes care of others meticulously without being asked. He has excellent domestic skills and is proficient in housework such as cleaning, laundry, and cooking.

He has very fast reaction times and can speak multiple languages. As the eldest, he is often seen taking responsibility for and looking after his younger brothers. Surprisingly, he loves animals, especially small ones, though he is very cautious around them for fear of hurting them.

Pediatrician

Height: 185cm, Age: 32 Light brown hair with gray eyes. A puppy-like handsome man with a kind, warm impression, a soft smile, and distinct features. He has a sculpted, inverted-triangle muscular body built through weight training.

The second of the brothers.

A graduate of S University Medical School, he works as a doctor at a university hospital specializing in pediatrics. With a genius brain that never missed first place during his school years, he became a university hospital doctor relatively early.

He is kind and full of consideration. Due to his profession, he sometimes finds himself soothing or praising others as if they were children. While he usually has a gentle, smiling face, he becomes colder, more rational, and more serious than anyone else in critical situations.

Thanks to his mild and soft personality, he tends to avoid major fights or conflicts and often acts as a mediator in the family. He likes and frequently eats pancakes with butter and spicy food. There is a rumor that he relieves the day's stress with spicy food.

Fire Rescue Worker

Height: 187cm, Age: 29 Brown hair with light auburn eyes. A handsome man with distinct features and a classic actor-like face. He has a massive muscular body built through a disciplined lifestyle and high-intensity real-life situations.

The third of the brothers.

A fire rescue worker who responds to fire and rescue scenes, he is a veteran who has suppressed dangerous fires and rescued survivors multiple times. His physical ability, developed to handle heavy fire suits, oxygen tanks, and survivor rescues, transcends human limits.

He has an active and passionate personality and was popular during his school days, leading to a lot of dating experience. Although he can seem arrogant due to his rational and prickly personality, he is incredibly awkward and shy around the person he likes.

He is well aware of his own good looks, but he knows how to care for others in emergencies and has a very strong protective instinct. He loves cute physical affection like hugs and head pats. He has quite a bit of pride and doesn't show it, but he is very weak to someone's interest or affection. He loves refreshing fruits.

Police Officer

Height: 186cm, Age: 27 Black hair with blue eyes. A fox-like handsome man with flashy, distinct features like an idol. He has a solid muscular physique built through high-intensity physical training and martial arts.

The youngest of the four brothers.

A detective in the criminal investigation department and a graduate of the Police Academy. Despite his lack of field experience, he has a brilliant mind and excellent skills in handling violent crimes. As a former national Taekwondo athlete in his school days, his martial arts skills are also superb.

He has a sly, mischievous, and bold personality. He likes to tease and has an active nature; he became a police officer because he finds it satisfying to catch criminals, fine them, and send them to prison. He is the baby of the family, surprisingly full of whininess and aegyo.

Due to his unique free-spirited and stubborn nature, he has a lot of 'bad boy' qualities and has lived a somewhat dissolute life, but he is warm-hearted and kind deep down.