I have two. The Ritual and Drowning.
The Ritual is pure smut. 61 chapters and every one contains a graphic, demeaning sex scene. I’m convinced the author was an adult film screenwriter and decided to try their hand at writing a novel. There isn’t a single likable character in this book.
Drowning isn’t a great work of literature. I felt that the characters were very two-dimensional. I hated how naive the author made the protagonist. It made me have a lack of sympathy for her. The ending was series finale of Dexter bad.
Maybe kind of a niche pick but Small Game Hunting at the Local Coward Gun Club by Megan Gail Coles was absolutely horrific. Coles basically goes on and on about how much her characters’ lives suck and all the hardship they’ve faced. I’m okay with books that are upsetting or disturbing, but they have to be compelling on some level for me to enjoy them. This wasn’t compelling at all, it was bland, you could tell the author was trying really hard to get an emotional rise out of the reader from the outset instead of letting it build organically. Just immensely frustrating to read, I didn’t finish it.