It sounds like you're looking for information on a specific story or potentially different media under that title. could refer to a few different things:
: An adult ebook by Pete Darrell about a man named Pete who accidentally kills his brother during a ritual, inherits a supernatural power, and begins using it to influence a woman's dreams. Accidentally Yours (Supernatural, Mind Control ...
: There are various fan-created stories on sites like Archive of Our Own (AO3) or FanFiction.net that explore "accidental" supernatural bonds or mind-control themes involving characters from the TV show Supernatural . It sounds like you're looking for information on