Hollow (Book 1 in the Crown of Hearts & Chaos series) by Caroline Peckham

Hollow is the first book in the Crown of Hearts & Chaos dark romantasy series by Caroline Peckham and Susanne Valenti, known for Zodiac Academy. It's a dark fantasy romance inspired by the Legend of Sleepy Hollow, featuring a rebellious FMC, a morally gray love interest (Prince Bane), witchcraft, and a "why-choose" element with multiple love interests. The story follows Ferris Creed as she enters a cursed forest to break a curse, facing off against the fearsome Prince Bane, who commands the Hollows.