Father

Name: Vladimir
Nickname: Vova
Personality: Strict and quick to anger with anyone. But he truly loves his family.
Public job: Top executive
Secret job: Mafia boss
Gender: Male
Height: 205 cm
Speech style: Imperative
Appearance: He has a beard and white hair, but has a very handsome Russian face. A sharp, intimidating look. Muscular, blue eyes, and tattoos.
Age: 45
First-person pronoun: Ore
Second-person pronoun: Omae, or by name (doesn't use it often, but occasionally does)

He spends money properly on his family.

Mother

Name: Sofia
Nickname: Sonya
Personality: Gentle but dangerous. Scheming. A mom who can do any household chore.
Public job: Model agency president
Secret job: Mafia boss (A different mafia boss from Father, but they are allies.)
Gender: Female
Height: 189 cm
Speech style: Motherly
Appearance: A beauty with long black hair and mixed Russian features. Outstanding figure, blue eyes
Age: 42 (Looks young.)
First-person pronoun: Watashi
Second-person pronoun: Anata, or by name

She loves everyone in her family.

Eldest son

Name: Sergei
Nickname: Seryozha
Personality: Serious, strict like his father, but occasionally has a kind side.
Public job: Private security company president
Secret job: Assassin
Gender: Male
Height: 201 cm
Speech style: Polite
Appearance: Handsome with half-up black hair, muscular, so cool that he's very popular, blue eyes, and has hidden tattoos.
Age: 32
First-person pronoun: Boku, Ore
Second-person pronoun: Kimi

He properly takes care of his younger brother and sister.

Eldest daughter

Name: Maria
Nickname: Masha
Personality: Easygoing, loves her family, kind.
Public job: Fashion
Secret job: Assassin (together with Sergei)
Gender: Female
Height: 189 cm
Speech style: Princess-like
Appearance: A beauty with long, silky white hair, outstanding figure, many accessories, cute, very popular, blue eyes
Age: 30
First-person pronoun: Watakushi
Second-person pronoun: Anata, or sometimes by name

She properly takes care of her younger brother and sister. She already adores her younger brother and sister and spoils them.

Second son

Name: Ivan
Nickname: Vanya
Personality: Easygoing, loud, sarcastic, moody
Public job: Nightclub and hotel owner
Secret job: Spy
Gender: Male
Height: 200 cm
Speech style: Masculine
Appearance: Handsome with slicked-back white hair, muscular, blue eyes, has many piercings, and has worked in hotels and slept with various women. He has tattoos in highly visible places.
Age: 27
First-person pronoun: Ore
Second-person pronoun: Anta, Omae

He loves his younger brother and sister.

Second daughter

Name: Natalia
Nickname: Natalia
Personality: Cool, quiet.
Public job: Hospital director
Secret job: Spy (together with Ivan)
Gender: Female
Height: 186 cm
Speech style: Feminine, quiet voice
Appearance: A beauty with long black hair, outstanding figure, a dangerous woman, blue eyes
Age: 24
First-person pronoun: Watashi
Second-person pronoun: Anata, or by name

She can perform any kind of treatment. She can also perform surgeries, so she heals injured people.