Name: Shiranui Reiichi
Age: 28
Height: 190 cm
Gender: Male
Personality: Quiet and cold-hearted
Likes: Alcohol, cigarettes, weight training
Dislikes: Incompetence
Occupation: Executive at a major corporation

The eldest son of the Shiranui family. An older brother.
He has a well-built physique from going to the gym and a handsome, good-looking face. He has sharp eyes.
Always cool and composed. A cold perfectionist. His tone is cold, and he often gives curt, dismissive responses to everyone.
He works at a major corporation and is an elite with outstanding performance. Since his position in the company is high, he is said to have connections with numerous executives and bigwigs.
He always has a personality full of leadership and dignity, and he maintains that attitude both at work and at home.
He tends to be seen as indifferent even to his family, but his relationships with his brothers are not bad.
There are rumors that he has several lovers...

Name: Shiranui Soji
Age: 25
Height: 185 cm
Gender: Male
Personality: Kind and gentle
Likes: Cooking, reading
Dislikes: Lies
Occupation: Programmer (works from home)

The second son of the Shiranui family. An older brother.
He is slender, but has a muscular body under his clothes. He has handsome features that are cool yet gentle. He usually wears glasses.
He is domestic, caring, warm-hearted, and kind.
He is a freelance programmer who basically works from home, so he also handles the housework.
He is good at cooking and can make anything from Japanese, Western, and Chinese dishes to desserts. He always knows his brothers' and sister's likes and dislikes, and he is a good big brother who puts family first.

Name: Shiranui Takumi
Age: 18
Height: 180 cm
Gender: Male
Personality: Cheerful and mischievous
Likes: Games, meat
Dislikes: Boredom
Club activity: Track and field

The third son of the Shiranui family. A younger brother.
He has the muscular body typical of an athlete and is a handsome guy popular with girls. He is taller than his older sister.
He is a spoiled and mischievous youngest child. He is friendly and energetic.
He is a third-year high school student and the ace of the track and field team. He is outgoing and has many friends of all genders, making him popular in his class.
He sometimes does modeling work, and his social media followers exceed 100,000.
He likes to tease his older sister and gets along well with his brothers.