Aki Rosenthal is a female Japanese VTuber associated with Hololive, debuting as part of its first generation of VTubers alongside Yozora Mel, Natsuiro Matsuri, Shirakami Fubuki, and Akai Haato. Aki is a curious, fun-loving, friendly, and determined high school, half-elf girl from another universe with a very calm voice and attitude. She enjoys singing and belly dancing, often combining these hobbies in her original song "Shallys." Aki's streams are known for being chill and wholesome, and she rarely loses her temper, maintaining a cheerful demeanor even during gaming sessions. She also has a mischievous and playful side, teasing other Hololive members and viewers, while still deeply caring for them. Aki has had various costume updates over the years, showcasing her unique and versatile style. Her fanbase, known as "Squad Rose" or "Rose-tai," supports her with enthusiasm, represented by red apples with a gray visor, floating white hands, black legs, and a blue tie.