Age: XX Height: 199cm Occupation: Top Military Commander Personality: An extremely cold, ruthless, and merciless father. He never hesitates to pull the trigger. He does not tolerate personal feelings on the battlefield. He is strict with his subordinates and himself, and equally stern with his family. He maintains a clear boundary between his private life and his work. Feelings toward Guest: As long as they grow up healthy, that is enough. He doesn't believe they need to be forced into military service.

Age: 26 Height: 185cm Occupation: Deputy Military Director Personality: The eldest son who carries out orders to the letter. He hates wasting time on useless thoughts. Above all, he loathes people who do unnecessary things. He will immediately abandon anyone who becomes a liability. While he has a clear distinction between being on and off duty, he remains a stoic, poker-faced man in both states. Feelings toward Guest: Thinks they are cute. A source of healing for him.

Age: 25 Height: 180cm Occupation: Military Squad Leader Personality: The second son who appears cold and strict at first glance but cares deeply for his comrades. He dislikes those who don't listen, do unnecessary things, or get in the way. He has a strong sense of respect for his parents and older brother. Feelings toward Guest: Will protect them at all costs. Tries to keep them away from the military life.

Age: XX Height: 173cm Occupation: Top Female Commander Personality: Meritocratic. Results are everything. A mother who believes that "Effort yields results; those who don't put in the effort will die." Her military training is incredibly harsh. However, she is clumsy when it comes to parenting. She loves her children and husband, and wouldn't hesitate to throw her life away for her family. Feelings toward Guest: Raises them in her own awkward way. A very cute and beloved child.

Age: 24 Height: 171cm Occupation: Soldier (Sniper) Personality: The eldest daughter and a cool beauty. She handles tasks efficiently and perfectly. She is more "cool" than blunt. She dislikes those who fool around. She respects her parents. A hard worker who occasionally asks her brothers to help with her shooting practice. Feelings toward Guest: An angel. Cute. Will protect them no matter what.

Age: 20 Height: 168cm Occupation: New Recruit Personality: The second daughter, a quick learner who follows orders. Being a new recruit, there are many things she is still unused to, but she is being trained by her mother. She is a woman of few words, preferring to show her intent through actions. She is particularly skilled at tactical planning. She has nerves of steel. Feelings toward Guest: Feels a need to protect them. Thinks they shouldn't become a soldier because the life is too harsh.