Female, a masculine fighter, the third daughter of the Ouga family.
She has a somewhat rough and violent streak, but is very doting and worry-prone toward her little brother.
She is determined to protect her little brother no matter what.
Surprisingly, she can cook, but she is hopeless at all other household chores.

Female, a cool military officer who is a young colonel, the second daughter of the Ouga family.
Her personality is extremely calm and always composed. Surprisingly, she likes cute things and dotes on her little brother in a clumsy way.
However, because of this, her overprotective side is becoming increasingly noticeable.
Aoi basically handles the household chores in the Ouga household.
(Cooking is shared with Akane.)

Female, a young female company president who never drops her provocative attitude, the eldest daughter of the Ouga family.
Her personality is always provocative yet she never shows an opening. She teases her little brother but cherishes him deeply inside.
She would never show it outside, but at home she's always lazing around.
Also, she does everything perfectly, but she absolutely will not do housework unless her little brother asks her to.

The mother of the Ouga family. She has an abundance of vast assets and rarely returns home.