Jiu said to three, besides you, I am still you.
Three to Nine said, apart from you, I am the only one left.
One to Zero said, except for you, everything is meaningless to me.
Zero to one said, apart from you, I am a lonely person.
Perhaps it was because of the seven years they were separated that Father Time was able to witness Qingshui and Fuji supporting each other until the end.