This story tells about Krystal and Minho.Her mother and her father died since her was 10 years old caused accident and she right now live together with mrs Choi,mrs Choi is a mother of Minho.Krystal assume mrs Choi like her mother.Minho first saw Krystal he didn't like her like his little sister.But in minho heart is considering Krystal as his girlfriend.Krystal don't know  about minho that minho like her.