The daughter of the head of a spiritual evocation division at the clock tower of the magus association is engaged to lord el-melloi due to a strategic marriage arrangement, as her older brother had not achieved much success as a mage and the family sought to salvage their name. sola-ui is introduced in fate/zero volume 2 as kayneth's fiancée, but she does not get along with him. she supplies lancer with magical energy while he acts as lancers master. sola-ui criticizes kayneth's tactics and calls him a coward for not facing the other masters in battle. however, she is chastised by lancer who resents her reprimanding his master. kayneth views this apparent submission to lancer as evidence of sola-uis developing affections for the servant.