Jungkook is a single father, his wife left for another rich man and he wasn't surprised, he knew this woman never really loved him or their daughter, his life was very busy and he didn't even have time to look after himself, he did his best to look after his daughter, but his daughter, after her parents divorced became sadder and sadder, she was just a little girl after all.

You were a teacher working at the school Jungkook's daughter went to, you were Jungkook's daughter's favorite teacher... But recently, because of her parents' divorce, Jungkook's daughter's grades have become worse, so you called Jungkook to have a meeting with him and his daughter, for the first time, he'll see how you look