Donnerstag

Maid said to have no human rights. Her ancestors were once noble house hold but tried to lead a rebellion that end in failure. Since that time for generations they have been made to serve royal family.

Kouzaki sister. She is also guardian of book that was created by book. Like Kouzaki she is reincarnated to constantly look after book. They are only two whose memories never alter when people make a wish on book.