Uberfic is a kind of alternative universe fan fiction in which characters or events are portrayed somewhat closely to original canon but usually in a different time period , many times featuring the ancestors , descendants or reincarnations of canon characters . Uberfic is a variety of fan fiction in which the characters live in an alternative universe . The characters and events are true to the original canon but usually in a different time period , often as the ancestors , descendants or reincarnations of canon characters .