Thorns & Starlight: A Dark Fae Romantasy (The Court of Embers) by Grace Yarrow

The woods take you, and you don't come back. Every child in Oakhaven knows this. Bar the doors. Salt the windows. Don't listen for the music on the summer solstice. If you hear it, you're already lost. Madeline Orsen has followed every warning her whole life. Then her twelve-year-old brother doesn't come home. She crosses the salt line with nothing but a dagger and a dead woman's stubbornness. What waits on the other side is worse than she imagined and stranger than any nightmare. A revel of firelight and shadow, where creatures with burning eyes and too-wide smiles have noticed her before she can disappear into the crowd. And where two ancient rivals are watching her with far more dangerous attention than the rest. Draeven, Lord of Shadow, moves like winter given form. Cold, lethal, and devastatingly still. Orion, Lord of Light, radiates warmth like a fire you'd walk straight into without realizing you were burning. Both offer to find her brother. Both want something in return. Read more