The Bridge Kingdom
Why it's similar
Danielle L. Jensen's The Bridge Kingdom hits the same pressure points as Fourth Wing but from a different angle. Instead of a military academy, we get a political marriage. Princess Lara has been trained since childhood to infiltrate and destroy the Bridge Kingdom by marrying its king. The enemies-to-lovers dynamic here runs on deception and guilt rather than combat rivalry, but it carries the same charge as Violet and Xaden's relationship. Both romances are built on characters who cannot fully trust each other.
What I love about this one for Fourth Wing readers is the pacing. Jensen writes tight, action-packed chapters that move like Yarros does, never letting the plot drag between romantic beats. The political intrigue replaces the military structure but serves the same purpose: giving the characters high-stakes problems to solve together. Lara's arc from weapon to partner mirrors Violet's growth from underestimated cadet to force of nature. If you want that enemies-to-lovers tension paired with real consequences, The Bridge Kingdom delivers six books of it.