Y/N and her edgy step brother, Jeon Jungkook thought they could love each other as a sibling based the promise they had with their parents. It was all fun to growing up together as a step siblings but everything's changed once they turn into teenage, evoke the different type of love, the inevitably love, the love that no longer being called "as sibling". Throughout years suffering from hiding their uncontrollable and strong feeling toward eachother, they eventually decide to have an affair behind their parent's back. A secret relationship is a great choice for their unconditional love but it wasn't as they thought when there's so much dreadful things happen in their secret relationship. Will their secret relationship lasting forever or their love for eachother will break apart to continue their life as a step sibling? _________________________________________ ⚠️ Content/Trigger warning ⚠️ This book contains : - smut - swearing ⚠️ I recommend you to not read this book if you sensitive with any of these themes ⚠️ _________________________________________ Started : 29/2/2024 Last update : 6/2/2024 Finished :