Chapter 1- Who Did It?

Mrs. Kang death had truly horrified Y/N as if ice cubes slid down her throat, but she was bound to solve the mystery with the help of a rather arrogant boy and her classmate and surprisingly, with the help of a time machine! BUT! things didn't go well with her, as her not-so-good fortune made her travel to the Joseon Dynasty instead!...At least she didn't die yet...right?...