Fenist: The Shining Falcon

The fairy tale of "Fenist: the shining falcon", there are various versions of the title, the story and also of the protagonist's name which can be Fenist or Finist, from what I discovered ahah I chose this ✌🏻
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Plot: Fenist is a falcon who every night, when he goes to visit his beloved Maryushka, transforms into a beautiful young man. When Maryushka's envious stepsisters discover the romance between her and Fenist, they decide to stick knives to the window, so that the falcon gets injured and cannot enter the girl's room. Wounded and saddened, Fenist flies away and Mariushka will have to undertake a long journey to find him.
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