It's a Pity That There Is No If

Xia Ning would never have thought that someone she accidentally bumped into on the playground would change her youth. From then on, every little thing about him would be hidden in his diary. The little luck she thought was ordinary in the eyes of others... In the dream, she married the boy she liked when she was young, but when she woke up, it was blank... The timid girl saved a little girl with a promising future. Later, an old friend appeared empty next to her tombstone. Unfortunately, she will never know... Concept: Falling in love with someone is a very simple thing, but letting go is a very difficult thing