Kouhei?UR(TM)s childhood friend Kurara returns from her vacation in Hawaii with more than just a tan. It turns out that something went terribly wrong during the time she spent testing the new Gacha Gacha virtual reality technology. As a result, Kurara absorbed the personalities of dozens of video game characters! She never knows what will kick off her next transformation?UR"or which persona she?UR(TM)ll take on next.
Enter Reona Grace Tokiwa, a Japanese-American exchange student who has just transferred into Kouhei and Kurara?UR(TM)s class. Reona is a girl genius?UR" bilingual, brainy, and beautiful . . . and on top of that, she knows Kurara?UR(TM)s secret. Who is the mysterious Reona Grace Tokiwa? Is she really just an exchange student . . . or does she harbor a secret of her own?