Choco Yuzuki, known as "Choco-sensei," is a virtual YouTuber and a member of Hololive's second generation of talents. She is depicted as a seductive demon nurse with a sweet and caring personality, often engaging in ASMR streams and gaming content. Despite her flirty demeanor, she is genuinely kind-hearted and enjoys interacting with her fans. In the Hololive universe, her character is known for her love of sweets and her occasional clumsy moments, which add a charming depth to her persona and endear her to her audience.