Out of all the sisters, she is the only one who entertains thoughts of somehow taking the brother away from the others, and almost executes plans to do so. She calls the brother as , the suffix -kun being an address to a boy who has a close relation or is about the same age as the addresser, giving the impression that her age is close to him. In English, she calls him "Brother Darling". Her birthday is March 6, is a Pisces, and stands 157 cm (about 5' 2") tall. Hailing from Germany, Haruka aspires to become a perfect Japanese lady (Yamato Nadeshiko). She is frequently seen wearing a kimono and can be found learning Japanese tea ceremony (sado) along with other cultural things. Haruka is an expert at handling the daikyu and naginata. Training in these weapons is akin to the training given to the brides of samurai; Haruka's training in these weapons may or may not have been inspired due to her desire to be a perfect Japanese bride for a person of high standing—like her brother. Haruka addresses the brother as , the honorific suffix -kimisama (a combination of the honofirics kimi or kun and -sama) used to address a venerable person in the same bloodline. In English, she calls him "Beloved Brother" and speaks with a German accent. Her birthday is May 16, is a Taurus, and stands 156 cm (about 5' 1") tall. The youngest of the sisters, Hinako is very much a child and shows her affection accordingly. In the anime, Hinako frequently insists on her brother reading to her from picture books. Hinako refers to herself in the third-person as "Hina", dropping the "-ko". She addresses her brother as , a more childish version of Kaho's onii-chama. In English, she calls him "Bro-bro". Her birthday is August 15, is a Leo, and she is the shortest among the sisters at 132 cm (about 4' 4"). Despite being a bit clumsy, Kaho is on her school's cheerleading team and loves to cheer her brother on. She is an accomplished gardener, and frequently grows flowers for and with her brother. She refers to herself in the third-person and addresses her brother as , a childish version of onii-sama. In English, she calls him "Brother". Her birthday is January 7, is a Capricorn and has a height of 143 cm (about 4' 8"). Sweet and