Enna Alouette is a fictional character from the Nijisanji virtual YouTuber group. She is portrayed as a cheerful and free-spirited girl with a deep love for music and singing. Enna is part of the English-speaking branch of Nijisanji, known as Nijisanji EN, and is a member of the group Ethyria. Her character design features angelic wings, which symbolize her ethereal and otherworldly nature. Enna's role in the series is to entertain her audience with her singing prowess and engaging personality, while connecting with fans through livestreams and interactive content.