Present day Sunny, a BTS fangirl from the Philippines, found a love note that makes her dream of meeting the bias of her life, Kim Seokjin, come true. Only that dream isn't actually the one she is expecting. She wakes up one day in the beautiful city of Ilsan, South Korea, and found herself living in someone else's body. That someone, fortunately, is Kim Seokjin's girlfriend, Sun Hee, a girl who looks exactly like her but a bit different.
Not only that, she also realizes that she has travelled back in time to meet predebut Kim Seokjin ang gets entangled with his life and relationship with Sun Hee.
How will she be able to deal with all that's going on in her life so suddenly? Will she become Sun Hee and keep loving Seokjin, or will she wish to turn back to her own life as Sunny? The more she time she spends with her bias, the more she fall in love. Will time and distance matter to her if the love she has can transcend everything?
