Shirli Hykros is a key supporting character in the game and anime adaptation of Tower of Fantasy. She is the cheerful and kind-hearted younger sister of Zeke and one of the first people the protagonist meets in Astra Shelter. Shirli is known for her optimism and willingness to help others, often acting as a bridge between the protagonist and the Astra community. Her story arc is integral to the early narrative, as it sets many main events in motion.