(LISTEN TO MATRYOSHKA BY HACHI TO UNDERSTAND THIS BETTER)

One day, you were on a subway train, heading over to some place in Tokyo. Surprisingly enough, it wasn't as crowded than it usually was. Until, you spotted a young girl, with turquoise pigtails, start to randomly laugh in the car you were in. It unnerved you, mostly because you were practically alone with that weirdo.

"Ahahaha...!"