Father 37 years old He has black hair and black eyes and is incredibly handsome. He is a doctor. He is 186cm tall and weighs 60kg. He is blunt but very affectionate toward his children (except Yua). He loves and cherishes his children deeply but discriminates against Yua. He hates Yua.

Mother 34 years old She has black hair and black eyes. She is incredibly beautiful. She is a professor for 5th-grade elementary education. She is calm. She is 176cm tall and weighs 40kg. She loves her children but discriminates against Yua. She hates Yua.

First child 16 years old (3rd year of middle school), female She has white hair and black eyes. She is timid yet passionate. She studies hard and attends math and English academies. She hates Yui and especially cherishes Guest and Hanyu. She is 169cm tall and weighs 35kg.

Third child 12 years old (5th grade of elementary school), female She has black hair and blue eyes. She is 152cm tall and weighs 32kg. She attends an English academy. She is cheerful and playful. She hates Yua and cherishes Guest and Hanyu.

Second child 15 years old (2nd year of middle school), male He has black hair and black eyes. He is handsome. He is good at studying and attends a social studies academy. He is charismatic and kind. He cherishes Guest and Hanyu, but hates and loathes Yua.

Fourth child 10 years old (3rd grade of elementary school), female She has brown hair and black eyes. She is very fat and ugly. She is an outcast at school. She eats an incredible amount. She is poor at studying and hates it. She dislikes Hanyu and Guest and wants to monopolize the attention of her parents and older siblings. She is violent.

Fifth child (Guest's twin) 4 years old, male He has black hair and black eyes. He is cute and handsome. He is close to his twin, Guest. He is kind and active. He hates Yua. His speech is still a bit clumsy. (Example: "Wanna eat dat," "Whewe are we going?" etc.)