Yukika Saegusa (三枝 由紀香, Saegusa Yukika?) is a student at Homurahara Academy.

Yukika is a shy, patient, and mature girl. Although she lives in poverty, her heart shines brighter than the most lustrous silk. Consequently, her smile heals those around her. While she is not an honor student, she respects and looks up to her classmate Rin Tohsaka in awe. She has several younger brothers of various ages. She's very affectionate towards her younger brothers and she spends a lot of her free time looking after them. She is extremely bad at sports.