Siti is one of the students of Rintis Island Primary School.
She is taller than Amy, and almost at the height of Yaya. She is a fair-skined, dark brown and round eyes. She's often seen in a uniform which is white long sleeved blouse, yellow vest, a colorful band under her orange hijab, a thin red orange ribbon at her neck, a school patch at the right side of her vest, a gray pants, and an orange school shoes.
- Like her other classmates, she is also friendly towards BoBoiBoy and his friends but except for Fang.
- Like Iwan, she's also one of the most silent student in the class.
- Like Yaya, she also wears a hijab or hood.
- She also cried when BoBoiBoy was defeated by Ejo Jo in Season 3, Episode 1.
- A girl looks like wear but wearing a white hijab appeared in What Yaya Says: Charity.