Princess and Devil (en Inglés) - Tate Carda

After her estranged queen mother summons her to the castle, fourteen-year-old Stephanie's life is shattered when a powerful demon murders her father during her coronation. She finds an unlikely ally in Jake, the demon's kind-hearted son, who defies his own world to protect her. As their fathers' ancient war escalates, Stephanie and Jake must navigate their forbidden connection and master their own powers to prevent both their realms from being consumed by darkness.