I did this super fast awhile back so I'm sorry if it's not that great ^^ I hope it's tolerable lol, this is such a good anime and I highly recommend it!!

I only own my voice
Original cover is by Eliemonty
https://youtu.be/pkW6TTmHPus
Lyrics are by Jonathon Young

Instrumental: https://youtu.be/L8y8r-Q5iRI