In his past life, the youngest member of the biggest Korean boy band BTS, the Jeon Jungkook was a ruthless, cruel, cold-hearted mafia leader named as Justin Hong who fell in love with his rival's adopted daughter Yuna Jo. But due to some circumstances they died too early. Yuna Jo is reincarnated as Y/n Choi who studied business management and is looking for a proper job so that she can move out of her hometown Gurim and live her dream in the capital city Seoul. When she gets a job offer to become a manager in the HYBE corprotations she gladly accepts it. That's when these past lovers cross paths and the history repeates. Again. They go through many trials and face many hardships but their love is stronger.