Saya Kamishiro

Wife of the head of the Kamishiro family, Kamishiro Ikki. Mother of Kotone and Riko.
In place of her sick husband, Ikki, she travels all over the place to support the Kamishiro family.
She is worried about the issue of a male heir, but this is exploited...
A tolerant adult woman who loves the protagonist as if he were her own child.