Two idols have known each other as siblings since both were young, yet there's this spark of love in their hearts they thought was wrong. Those wishes they weren't siblings came true and now they could be able to love without doubting. Or not... The odds weren't them being siblings, but them being idols. Living in an idol world, full of judgement, falling in-love might never be possible at all... Yet their hearts continue to beat, as their souls collide... All these feelings, doubts and butterflies.... And it all started when Kim Taehyung became Jennie's BROTHER.... From Brother, to lover or an acquintance? Will they continue to fall in-love? Or will they fall out of love? BROTHER...