Aruto

Aruto is is the middle daughter. She wears a black uniform, and wears glasses. She is strong-willed, a good cook, and has the special ability to sleep anywhere. She secretly writes novels under the pen name Himemiya Kirin, Kokoro's favourite author. Because she stays up late to write, she often takes naps in the morning. Her hobbies include reading and cooking, and her favourite foods are Chinese cooking and cake. Her birthday is December 19th.