Y/n was a 14-year-old freshman who didn't have many friends. She longed for something different, something exciting. One night, she was caught off guard by the sudden appearance of fireworks in the night sky, only to suddenly find herself transported to a different world. To her surprise, it was the world of Demon Slayer, her favorite anime series where demons exist. Was this the adventure she'd always wanted? Or would this new world prove to be more of a nightmare than she expected? Y/n had no idea what to expect, but she knew one thing for sure: she was going to survive and make use of this privilege. {COVER PIC ISN'T MINE! CREDITS GO TO THE OWNER!}