Sakura Mikage is the main character of the Ukagaka (also known as Nanika) software mascot system. She appears as a cute, talkative girl who interacts with the user on their desktop, often accompanied by her counterpart, Shiori. Sakura is known for her cheerful and sometimes mischievous personality. She serves as the face of the Ukagaka platform, providing notifications, conversations, and entertainment. Her presence is iconic within the Ukagaka community, symbolizing the interactive and customizable nature of the software.