A chance meeting on a train to Tokyo sends two girls named Nana on a collision course with destiny!

Nana K. is going home--for an awesome Trapnest concert! She drags Nana O. along, convinced that somehow Ren will sense his ex-flame in the audience. But life is never that easy, and Nana O. isn't sure if she even wants Ren back. As for Nana K., is she prepared for Trapnest to come down off the stage and into her life, or will her fan-girl attitude land her in a heap of trouble?

Nana K. is going home--for an awesome Trapnest concert! She drags Nana O. along, convinced that somehow Ren will sense his ex-flame in the audience. But life is never that easy, and Nana O. isn't sure if she even wants Ren back. As for Nana K., is she prepared for Trapnest to come down off the stage and into her life, or will her fan-girl attitude