The Days of Wandering in the World of Elves

I was electrocuted while playing a game. When I woke up, I found that this was still the earth, but what was flying in the sky? Contest! It's unscientific. What's wrong with my hand? I was knocked unconscious and given medicine, or... I traveled through time! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.