Feng Yuan Wan Ye Yuan is not an ordinary person, but the last child of Mi's wife, a noble in the past. In the rich and powerful Mi Wife City, the name Fengyuan was once all-powerful. However, things are impermanent. When the family business arrived in Ye Wan, Feng Yuan's family was already in a state of decline. At this point, Ye Wan, the young master at that time, was quite helpless, so he said, "Alas, the leaves have returned to their roots, and the date of return has not been decided."
"Not yet due" means a note to a friend in the north on a rainy night.
The word "untimely return" comes from "You asked about untimely return" in Notes to Friends in the North on a Rainy Night, but the difference is that in Notes to Friends in the North on a Rainy Night, the author replied to someone, meaning "You asked me when I would go home, and the return date was uncertain".
In the game, this is more like Feng Yuanye's self-questioning and self-answering. His home has fallen, and he is like a fallen leaf in autumn. I am not sure when he can return to his previous life, which shows that he is confused about the future.