shizuko (yusha no hahaoya)
The first party member, lover, and wife in Yuusha ni Zenbu Ubawareta Ore wa Yuusha no Hahaoya to Party wo Kumimashita!
The mother of the Hero Zect, who was sold to slavery by her husband Zector, and was freed by Ceres, the main character.
It's revealed that she is a former S-Tier adventurer nicknamed "The Black-Haired Healer".