Ekaterina (エカテリナ, Ekaterina) is a hostess working in Sindria's pleasure house.
Ekaterina is a tall, muscular woman with a crooked nose. Her hair style comprises of twintails tied with pink bands. She wears a tanktop that reveals her bosom, a yellow collar around her neck, and red lipstick for her face.
Not much is revealed about her personality.
No back story is revealed for Ekaterina.
- Her name, Ekaterina (Екатерина), is Russian that means "pure".
- She bears a resemblance to Margaret in the Aktia Kingdom and to Elizabeth in Qishan.