Sumika Chibana
知花純加, Tachibana Sumika (橘純加)
Birthday: Dec 3
Initial Age: 17-18
Gender: Female
Height: 165cm
A third year high school student. Dresses like a gyaru outside of work. Cares a lot about workplace harmony and dislikes seeing her coworkers get hurt because of romance.
Plays the role of a cool, bespectacled upperclassman in the cafe, and is Kanoko's "elder sister."
