Son Chaeyoung, daughter of the biggest drug boss and richest man in Korea. She is being forced into a fake marriage, to save their company from being detected by the police, to the son of a famous hotel owner and one of the most trusted families in all of Korea but the public doesn't know that the family also has a part in the drug business. Chaeyoung doesn't want to marry the guy as she despises everything about him and she isn't into guys at all. After finding out what could be her future, she went to the bar with her friends, Dahyun, Tzuyu and Jeongyeon, to talk about her dire fate. This is where she met the girl that made her cold heart warm once again and beat faster than ever before. She thought that this was the 'Best Thing I Ever Did'. Myoui Mina is the heiress of the clothing company "Twice". She found out that her long-time boyfriend had been cheating on her so she went to the bar with her friends, Nayeon, Momo, Sana and Jihyo. This was where she met the girl that changed the way she thought about girls. Her beating heart melted at the sight of her. She asked herself if this was the 'Best Thing I Ever Did'. What will their answers be to the question that won't ever leave their minds? A/N - This is my first ever Twice fanfic so please bear with me if the story is boring at first. I will try to make it as interesting as I can. (Slow updates)