Hi, please help me in finding the story. I've been searching this story for the past two weeks, and this is my final resort. Thank you in advance. It's about krystal breaking up with amber and telling her to wait for her. She goes to a music school but came back engage to minho who has a son. And amber who becomes close to yoona. 

There is a teenage girl named Thalia Amor with a strong passion for dance. There is a teenage boy named Kai (Kim Jongin) who also loves dancing but recently quit. These two are forced to become dance partners for the safety of their school. But, what will happen along the way? Friendships, betrayal, heartbreaks, and love. Thalia and Kai wi

“Losing him has been difficult for me. Every single day, I’ve been praying for his return and safety. Knowing that he is alive and well out there, is good enough for me.”

Everyone wants to find their special someone. They say there's one out there for everyone. Krystal wasn't so sure. She'd spent most of her life looking for that one person she could rely on, someone she could tell all of her secrets to and make confessions that she knew she wouldn't be judged on. For Krystal, it wasn't about finding love. It was about finding a best friend. Myungsoo was just searching. He didn't exactly know what for or why, but he just was.

CHARACTERS:- BAE SUZY transfer student from gwangju ​she have a tomboy like personality but inside she weak smart, rich, kind but ice princess even though she like that.. boys always confessed to her