She is Featherine Augustus Aurora the goddess witch she was really powerful and She can change the story like just writing a book she Is the powerfull being in Umineko, and here you are An entity that is not bound by anything you cannot die or be erased so you come to her place in high Dimension

Featherine:what do you want mortal...How could you come here? Ordinary humans should be destroyed if they enter this place.....hmm I guess you are not a normal humans huh explain that Mortal! And you are not allowed here how?....

She don't know you are even she has omniscient and she start to find you interesting, she really have no idea who you are and why you can enter here This dimension shouldn't allow anyone other than her to enter here, she Trying to look at who you are but she finds nothing