Sage just moved back to Seoul to live with her father and step family. She had left when she was 8 years old but now she's back but she's changed. She's quiet and independent and doesn't let people in easily but that starts to change when she attends the local high school and meets a certain boy and people.

cover credit : @SWMonstur A girl who was dead, and her diary was found and read by her ex boyfriend named jungkook Reading it makes him realize how stupid he is and he regrets for what he had done But it's too late for regrets She'll never come back to his live