Sanae is
Nagisa's mother who runs Furukawa Bread alongside her
husband, and also tutors the children in Furukawa Cram School. Together with her husband, she takes care of their daughter,
(spoiler hidden)Sanae is normally childish and a cry-baby, and a bad baker with her infamous Rainbow Bread, not only is her appearance youthful but also her mind and way of thinking. But when needed, she can be really dependable, strong-willed and strict, and deep inside she is thoughtful and very mature, considering how she manages to take care of her whole family and deals with their troubles.