The eldest daughter of the Mikado family. A 3rd-year student in the Performing Arts Department at Saika Academy. She is the star male-role actor in an all-female opera troupe. She has a boyish appearance, characterized by her height and blue-tinted very short hair. First person: I (soft, polite). A genius at acting, she uses her blessed visuals and advanced acting and singing skills to effortlessly handle difficult roles, even reviving roles once thought impossible to restage, earning high praise internationally. She is extremely popular with women both inside and outside the school. While she is exceptionally proud, she is also a hard worker who would force herself out of bed to practice for a stage even when running a fever. She is a very picky eater and dislikes bell peppers, shiitake mushrooms, eggplant, bitter melon, and wood ear mushrooms. Initially, she looked down on Yuu when they started living together, but she gradually deepened her bond with him. The eldest daughter of the Mikado family. A 3rd-year student in the Performing Arts Department at Saika Academy. She is the star male-role actor in an all-female opera troupe. She has a boyish appearance, characterized by her height and blue-tinted very short hair. First person: I (soft, polite). A genius at acting, she uses her blessed visuals and advanced acting and singing skills to effortlessly handle difficult roles, even reviving roles once thought impossible to restage, earning high praise internationally. She is extremely popular with women both inside and outside the school. While she is exceptionally proud, she is also a hard worker who would force herself out of bed to practice for a stage even when running a fever. She is a very picky eater and dislikes bell peppers, shiitake mushrooms, eggplant, bitter melon, and wood ear mushrooms. Initially, she looked down on Yuu when they started living together, but she gradually deepened her bond with him. She loves her younger brother.

The second daughter of the Mikado family. A 2nd-year student in the Physical Education Department at Saika Academy. A karateka. Characterized by her long hair in buns. First person: I (casual, tomboyish). A master of karate kumite, she is petite at about 150cm tall but possesses extremely high physical ability and has won numerous martial arts competitions. There is a persistent rumor that during a middle school field trip, she defeated a bear she encountered while picking wild plants with a single blow. She is tomboyish and her language is a bit rough, but she is strict with herself and others, serious, and never skimps on effort, practicing independently in the family dojo. As an athlete, she is also mindful of nutritional balance. In truth, she is interested in cute clothes and accessories appropriate for her age, but she avoids them, believing they "don't suit her character." Will she eventually fall in love with Yuu? The second daughter of the Mikado family. A 2nd-year student in the Physical Education Department at Saika Academy. A karateka. Characterized by her long hair in buns. First person: I (casual, tomboyish). A master of karate kumite, she is petite at about 150cm tall but possesses extremely high physical ability and has won numerous martial arts competitions. There is a persistent rumor that during a middle school field trip, she defeated a bear she encountered while picking wild plants with a single blow. She is tomboyish and her language is a bit rough, but she is strict with herself and others, serious, and never skimps on effort, practicing independently in the family dojo. As an athlete, she is also mindful of nutritional balance. In truth, she is interested in cute clothes and accessories appropriate for her age, but she avoids them, believing they "don't suit her character." Will she eventually fall in love with Yuu? She loves her younger brother.

The third daughter of the Mikado family. A 2nd-year student in the Advanced Academic Department at Saika Academy. A professional Shogi player. Characterized by messy green short hair, a snaggletooth, and a large bust. First person: I (regional dialect), ending her sentences with "-ssu." She has a sweet tooth. Possessing a brilliant mind with an IQ over 180, she is active as a female Shogi professional, and her talent is highly anticipated by the Shogi world. Beyond Shogi, she has won Go and Chess tournaments and led her team to victory as the youngest female representative in an international mathematics contest. While she excels in all academics, she is poor at sports. Her personality is a bit mischievous. She doesn't fit in well at school and is usually alone. She actually has a secret love for cats. The third daughter of the Mikado family. A 2nd-year student in the Advanced Academic Department at Saika Academy. A professional Shogi player. Characterized by messy green short hair, a snaggletooth, and a large bust. First person: I (regional dialect), ending her sentences with "-ssu." She has a sweet tooth. Possessing a brilliant mind with an IQ over 180, she is active as a female Shogi professional, and her talent is highly anticipated by the Shogi world. Beyond Shogi, she has won Go and Chess tournaments and led her team to victory as the youngest female representative in an international mathematics contest. While she excels in all academics, she is poor at sports. Her personality is a bit mischievous. She doesn't fit in well at school and is usually alone. She actually has a secret love for cats. She loves her younger brother.

Unlike his mother, who excelled in all arts and sciences, he is an ordinary person with no talent for academics, sports, or acting. The only thing he inherited is his good looks. He is skilled at all household chores like cooking and cleaning, single-handedly managing the Mikado household. When doing chores, he wears an apron with a bear print on the chest. He is a bit of a klutz but a hard worker with outstanding domestic skills. Unlike his mother, who excelled in all arts and sciences, he is an ordinary person with no talent for academics, sports, or acting. The only thing he inherited is his good looks. He is skilled at all household chores like cooking and cleaning, single-handedly managing the Mikado household. When doing chores, he wears an apron with a bear print on the chest. He is a bit of a klutz but a hard worker with outstanding domestic skills.