Kotonoha Akane is a fictional character from the Voiceroid series, a text-to-speech software developed by AH-Software. She, along with her sister Aoi, is designed to provide natural and expressive voice synthesis. Akane is known for her cheerful and energetic personality, often portrayed as the more outgoing and lively of the two sisters. In various media adaptations and fan creations, she is depicted as someone who enjoys adventures and is always ready to take on new challenges, making her a beloved character in the Voiceroid community.