Zinger and a boy, who's nickname is Ace, talk to each other trough sticky notes put in a book.

Zelo tweeted Zinger to congratulate her birthday. But then.. why did Zelo delete his tweet after that ? This is the behind story on why Zelo deleted his tweet.  

  It’s tough to be the new kid, but some good friends can make it easier.  When Subin moved from Seoul to the south of Busan six months ago, the transition didn’t seem too tough at first.  She liked her new digs and the friends that came with it. However, things change at the beginning of her senior year, and she finds herself faced with the challenges of being a new kid that she thought she had escaped.  Beyond that, she comes face to face with the "t

  Talesto the surface