Questions are always asked about Rosé's record breaking album "Rosie" - who is the ex who broke her heart and inspired the album? The truth is the answer to that question is least expected... it's nobody else than her bandmate Jennie Kim. They are on and off through the course of BLACKPINK and she'd find herself letting Jennie back in every time even though it would end up in heartbreak. It's only when she finally learns to move on... Jennie realises what she truly lost and tries to win her back.