sola-ui_nuada-re_sophia-ri
Kayneth el-Melloi Archibald's fiancée who apparently does not get along with him.
While Kayneth acts as Lancer's Master, Sola-Ui maintains the materialization energy for the Servant.
Described as a young woman with short red hair and brown eyes. She wears a white colored blouse with long sleeves, a red ribbon tie, black pants, and red high heels.
See also
* Kayneth El-Melloi Archibald
* Type-Moon wiki (spoilers): http://typemoon.wikia.com/wiki/Sola-Ui_Nuada-Re_Sophia-Ri