Y/n is a 17 year old who lives with her mom and brother in Seoul, unfortunately she and her mom had to move to Thailand to take care of her grandmother. One day her mom asked her if she wanted to move back to Seoul. She moved back and two weeks later she goes to school and reunites with her friends... except 7 of all her friends forgot who she is till Y/n found the letters she wrote to all seven of her friends missing... What do you think will happen to Y/N? Will she find the right boy of the Bangtan boys? Or will she end up with a broken heart? Read to find out!