as for metadata, artist name should be "Chitose Haru & Kumagai Eri": the source
"音楽少女" is the circle name as Silynn said, but no idea that have to put (CV: ~~~~~~~) on Artist name tho
Edit: sorry i was wrong, 音楽少女 is a project name that belongs to Cosmic record lmao
Edit: sorry i was wrong, 音楽少女 is a project name that belongs to Cosmic record lmao