I've been listening to the english version of Cupid lately ( kr ver sucks sorry ) and I can't help but notice everytime that the girl with sweet voice sounds a LOT like Sana for some reason
more so because Sana's voice is really unique and easily identifiable
I could be wrong but I think it's Sio ?
even her styling is similar to Sana
her "I'm so lonely" and "I'm a fool" lines are really the highlights of the song for me
her voice is so freaking sweet