Even Chaehyun is downgraded a lot by the fandom. Like, I know really well she's not a powerful center, and Xiaoting is more at the center anyway, but pay some respect to the best vocalist of Girls Planet. Chaehyun contributes a lot for the group, she's one of the visual members and a good main vocal.
Sorry but u did not just brush off Bora like that. Bora is obviously the best in the song.
Chaehyun had her fair share of unstable moment / voice crack during live performance. She is barely a "good main vocal" im sorry to say that. She is at best at Karina level and karina aint no main vocalist