Petit Macne is a fictional character from the Macne series, which is used within the UTAU singing synthesizer platform. She is depicted as a younger sister of Macne Nana and is known for her cute and energetic personality. Petit Macne provides a high-pitched, youthful voicebank for music producers and is often featured in fan-created songs and media. In the series, she plays a supporting role, adding diversity and charm to the Macne family lineup.