You! Yes you! You're moving to a new highschool. While you looking for a book in library. You found a big book that wrote Sweet Memories of First Class 1988. Once you read something on the first page you trap in 1988. You will live in 1988 and became one of the students in XOXO highschool. Undergo ur life with handsome and cute students in the album you saw. The book became your guide to live there! So! Enjoy your dream come true!! See you soon in Neverlan

The 12 guys are in danger. One girl is unexpected to be the person that makes them in danger. Murder, suicide, maniac and love triangle makes the things became easy for her to seek for  a revenge. Her family murderer when she was 10 years old was fresh in her mind until she reached 18 to revenge for everything that she saw. No one know that was her until someone find out one day.