My Ex-Wife Wants to Come Back, but I Just Want to Run. Angsty, Angsty, Angsty

Looking for books like *Honey, We're Already Divorced*. They get divorced from the start, and the male lead is utterly devastated. They promised they would never part, promised they would be together forever, but those vows are powerless in the face of sudden change. Their family is struck by a major tragedy, and...