The Younger Sister Marries the Snake
The Younger Sister Marries the Snake (German: Die jüngere Schwester heiratet die Schlange) is a folktale from the Paiwan people, an indigenous people from Taiwan. In it, a father finds a flower from a snake spirit's garden and is forced to give his youngest daughter to the animal, who turns out to be a human, and their marriage is fortunate for the youngest daughter.
Source: Wikipedia — The Younger Sister Marries the Snake (CC BY-SA 4.0)