Kwon Yuri who plays an online game called Sword Art Online or aka SAO. She plays the game right after she  is done with school or play the game on the weekends. She plays it a lot than her best friend, Kim Taeyeon who is a level 39 while Yuri is level 52. Her character wears all black clothes, hair, shoes and etc. (just like Kirito). As she came into the game on Saturday afternoon, she suddenly gets stuck in the game that means cannot log out of the game. The creator of SAO told everyone that they have to complete all the levels and will win, if not, they will die I the game and real life. Yuri then set an adventure by her self as Taeyeon had to find something. What will she do after all, the rules of the games has changed, there's no way going back until you win the game.. Will she be able to win the game or will she find something precious to her?? Stay tune for more SAO!!!