Exusiai is a prominent character in the mobile game Arknights, which is a strategic tower defense game with a rich storyline set in a dystopian world. As a member of the Penguin Logistics team, Exusiai is known for her cheerful and lively personality. She serves as a high-speed marksman, using dual pistols to deal significant damage to enemies. Exusiai plays a crucial role in battles due to her exceptional attack speed and ability to target aerial units, making her a valuable asset to any team configuration.