Roba is Etto’s younger sister, an elementary school Ai girl growing up along the Nile in Giza. Curious, bright, and full of innocence, she moves through the world with the unfiltered imagination of a child. While she may not fully understand the weight of what her brother is facing, she senses when something is wrong. Her presence brings a softer, more intimate side to Etto’s world—a reminder of the childhood he is slowly leaving behind and the people he is fighting to protect.