Yuuka Midarezaki

The nine-year-old 'eldest daughter' (second daughter after the end of the first book) of Midarezaki family. Comes from 'Demon's Family' Himemiya, she was continuously abused by her family according to their tradition called 'Solitary Doll', especially by her biological sister. Despite her past, she has a very calm and gentle personality. Her original name is Reiko Himemiya.