'Huh? But why do I have my eyes closed?'
'And everything around me seems... different.'
Everything looked strange, as if he wasn't on Earth anymore.
'In fact, I can feel this kind of thing; people say I'm a genius, although I think geniuses don't exist.' he thought before adding.
'But what is this feeling? I remember there was Mrs. Aiko, the HOUMs, and that I...'
He suddenly stopped as if everything had come back to him, and after a few seconds, he added with a sigh.
"Oh yeah."
"I am dead, aren't I?"
The next chapter provides additional details about the story's universe. It is not mandatory for understanding the main plot, but reading it can enhance your reading experience by providing contextual information.