Metadata: (From GfMRT's Set)
Title -> 17 Sai
TitleUnicode -> 17才
Artist -> Haruka to Miyuki
ArtistUnicode -> ハルカトミユキ
Source -> 色づく世界の明日から
English Source -> Iroduku: The World in Colors
Tags: irozuku sekai no ashita kara iroduku the world in colours female vocals japanese pop j-pop
Reference: http://www.iroduku.jp/products/detail.php?p=1&id=m1
ハルカトミユキ official website was taken down
Official Youtube link: https://www.youtube.com/watch?v=M3Y9GxRxjFM
Mp3 has some audible clipping going on, listen to 00:20:925 for example. If you compare it to https://www.youtube.com/watch?v=WHcHbyUmpL0&ab_channel=melodickeshiki for example you'll see that other versions don't have it, so you should def get a better mp3.