Aruto Kaito (海斗 アルト) is the main character in the Ukagaka universe, an interactive desktop mascot software originally popularized in Japan. Aruto is often depicted as a cheerful, supportive figure who helps users navigate their desktop environment with witty conversation and useful tips. Known for his friendly demeanor and adaptability, Aruto serves as a digital companion, often breaking the fourth wall to interact with users directly. His role highlights the personalized and whimsical nature of Ukagaka software, making him a beloved presence among its community.