You can legally listen to and download "Marvelous Persona" by 凛として時雨 (Ling tosite sigure) on authorized music platforms. Official streams and high-quality files are available on platforms like Apple Music, Spotify, and Deezer.
You can find the official audio and digital release on the Ling tosite sigure YouTube Channel . Download 凛冽时雨 Marvelous Persona mp3