Usage patterns
〈場所〉に妖精が現れるa fairy appears (in a place)
There is a legend that a fairy appeared deep in the forest.
妖精を信じるto believe in fairies
When I was a child, I believed in fairies.
妖精のように〈形容詞〉as ... as a fairy (used to describe delicate beauty)
She is said to be as beautiful as a fairy.