Milena (밀레나), born Jung Se-yi (정세이) on June 23, 1995, is a South Korean singer-songwriter and producer under wavy. She made her solo debut on November 4, 2021, with the digital single "Night Train" and has since gained recognition for her introspective lyrics and genre-blending sound. A graduate of Seoul National University with a major in Musicology, Milena has released several EPs, including Riddle and Sweeet in 2022, followed by Foggy in 2024. Her discography features a range of digital singles, such as "Saturn" (2023), "Dancing on the Table" (2023), and "Why Do We Fall in Love?" (2024). Continuing to evolve as an artist, she released her latest single, "독신주의 (I Love You)", in 2025.
