Ritsuka is a female adult with purple eyes and white wavy hair that is waist length. She is the eldest daughter of the Takesaka household. Although she is strict and serious, she cares a lot about her younger brother Munetaka, and continues to look after him in place of their parent's absence. She can be quite cool and doting too. She is so smart and strong that she would do anything for him. When he has a problem, she would help him out. Even if she must use her body. She works as a lawyer.