Lyrica Prismriver is one of the three Prismriver Sisters in Touhou Project, known for playing the keyboard and supporting her sisters in their musical performances. She is the youngest and most mischievous of the trio, often acting as the practical joker and a source of playful chaos. In the series, Lyrica appears as a youkai musician and stage performer, contributing to the Prismriver Ensemble’s lively, supernatural concerts. Her role emphasizes music, teamwork, and the whimsical atmosphere of Gensokyo.