Cold Hearted by Leia Stone, Julie Hall

Cold Hearted is an inter-connected romantasy novel that centers around a centuries-old curse that descends on Faerie every hundred years. For the last two millennia, the Summer Court princess has borne the burden of ending the curse, traveling to the mirror realm to save her kingdom at great personal cost. The story combines elements of fantasy and romance, designed to appeal to fans of authors like Sarah J. Maas. It's the first book in the Cursed Fae series and highlights themes of sacrifice, magic, and complex court politics within a vividly imagined Faerie world.