Suzuka's background is mostly unknown except how she often has helped her sister in drawing doujinshi for comic events, and she is friends and fellow classmates with Illya, Nanaki, Tatsuko, Mimi, and later Miyu and Chloe.
Suzuka is seen as the most rational individual among Illya's group of friends. She also express fustrations and impatience when it comes to tedious proceeses like cooking or the dynamic relationship she shares with her older sister.
She is a fujoishi who enjoys BL while even writing possible yaoi references or fantasies surrounding Shinji and Shirou.
Suzuka posseses no special traits aside the basic capabilites of a normal elementary school student.
As a result of helping her sister, she is talented in arts and crafts.