Mitsuyo Fujioka

Mitsuyo Fujioka is the mother of Mei Misaki and Misaki Fujioka. She never appears in the anime.

Appearance
In the manga, Mitsuyo has long straight black hair and black eyes. She looks alike Yukiyo.

History
Before the start of the series, more than thirty years ago, Mitsuyo was born with a twin sister, named Yukiyo (or Kirika). The both became married and soon Mitsuyo was pregnant with twins. Those twins are revealed to be Mei and Misaki. Yukiyo also became pregnant with twins but she lost the pregnancy, leaving her devastated.

At that time, the Fujioka family was experiencing financial difficulties. Because of this and the fact that Yukiyo was still trying to cope with the loss, Mei was given to her.

After this, Misaki needed a kidney transplate. The giver was Mitsuyo. This information is never revealed in the anime.

Trivia

 * Her first name is never revealed in the anime.
 * Mitsuyo is an unisex name that means "generation of light".