https://youtu.be/9rp3TO4iu7Yhttps://youtu.be/9rp3TO4iu7Yhttps://youtu.be/9rp3TO4iu7YSubaru privated her "Kimi ga Tobioriru no Nara/ In Case You're Gonna Jump" because people in the comments are discovering Subaru's true intention when she covered the song.
She released the cover after her birthday,
around 1 month after she learned of Aqua's upcoming graduation