Introduction

I am Yu Otosaka, and this is my story.

I am a normal boy, who has now become extraordinary.

From when I was little, I had a question in my mind, 'Why am I only myself, and not someone else?'

I heard that "I think, therefore I am" are the words of an ancient philosopher.

But I didn't think, rather I thought about someone else. That perhaps, the person over there is myself as well...