Upload order of children images being out of order

In the story told on the children images of this post (https://safebooru.donmai.us/posts/2266032), the 2nd and 3rd images are in reverse order, breaking narrative continuity, and removing then readding one of them does not work. Is there any way to fix this issue?

(apologies if I broke any posting etiquette, it is my first time using the forum)

They are put in upload order, you need to make a pool to be able to put them in the order you want.

This is why parent-child relationships aren't intended to be used for sequential images. See the guidelines at help:post_relationships.