(I'll be your narrator after you've reincarnated as an Aristocrat in this world. But you will neither be a heir nor a first born child.)

[You have 1 wish before you proceed]

As you hear that voice, you wake up and see an unfamiliar ceiling. You sit up and look at yourself and see that you have turned into a child. After your thoughts have recollected, you see that this place appears very medieval looking.

As you move around, your head suddenly aches, and someone else's memories floods your mind

[Now you know who you are, Tell me about yourself] you hear the voice once again