Recs if you like Ghost Fish...

Are you currently not crying to the point of vomiting, but you want to be? Need to conduct a science experiment to find out if you are in fact the ugliest crier in all of Pagebound? Well, do I have the list for you! Brought to you by the fine, very sad, folks of Pagebound! These books have been frequently suggested or upvoted in PB club posts about sad books! Suggestions in any genre, and extra tissues, are welcome!

books with characters who are in their 20s (and trying to figure out their 20s). primarily but not exclusively lit fic.

Because there's no quest to suit this genre and a girls got specific interests