She got traumatized because they kept on lying and emotionally manipulating her of course she would start getting trust issues. I really can't trust Yubura and Taeri at this situation too because both of them still lied to Geumhee who knows how many lies they still have?
LEAVE THAT PIECE OF SHIT YOU AND SEYUN WOULDVE BEEN CANON WTF YOU DESERVE BETTER YOU VOU;DVE BEEN WOTH SEYUN BUT YOU CHOOSE TO BE WITH MIN FUCK. YOU BIOTCH CAN I HAVE SEYUN NOW UBGGJJJJHHHHHHHHH
lol whatever Yuna fooling yourself bestie <333333 i'll go on a date with seyun now