Playmates
Monica's adoptive father Stephen Everton believes that his daughter's imaginary friends are a result of too much time spent in the library reading fiction; however, he is ironically very wrong, as her playmates turn out to be the ghosts of children who died of diphtheria.
Honeymoons
In "Ringing the Changes" by Robert Aickman, a young couple embarks on their honeymoon, anticipating a romantic and fun holiday. However, this ironically does not go according to plan when they begin witnessing suspicious locals in the coastal village.
Fictional characters
Novelist Walter Streeter creates a fictional character in his writing. Although believing this character to be a figment of his imagination, he begins receiving postcards from this character.
Imaginary friends
Christine's adoptive mother takes her daughter to a psychiatrist after finding out about her imaginary friend, Harry. However, it is later revealed that Harry actually existed, and was her biological brother.