When a mysterious man claiming to be Park Eunji's uncle shows up at her sixteenth birthday party with twin dolls as a gift, Eunji doesn't think anything of it at first, until she wakes up the next day to discover that the twins have come to life. Once the twins reveal that they were sent to her on a specific mission, Eunji's entire world turns upside down as she struggles to piece together the strange events and find out what is happening to her. A fanfic starring the Jo twins, Kwangmin and Youngmin as themselves; and Kim Sohyun as Park Eunji.