So!YoON! is a singer, songwriter, and guitarist who founded the band SE SO NEON in 2016, achieving acclaim in South Korea and beyond. In 2019, she launched a solo career exploring alternative R&B, retro soul, contemporary pop, and hip-hop, collaborating across genres to create albums that showcase her unique style and storytelling. So!YoON! continues to make a mark both as a band leader and a solo artist, shaping distinctive sounds that transcend musical boundaries.