Idiosyncratic

Idiosyncratic id·io·syn·crat·ic /ˌidēəsiNGˈkradik/ Adjective

distinctive to a particular person or thing, marked by quirks or habits that diverge, sometimes oddly, from what’s typical or expected

“The liveliness of literature lies in its exceptionality, in being the individual, idiosyncratic vision of one human being, in which, to our delight and great surprise, we may find our own vision reflected.”