A chance meeting on a train to Tokyo sends two girls named Nana on a collision course with destiny!Hachi hasn't seen Nana or the rest of Blast since she moved in with Takumi, and Shin and Reira's joint birthday party seems like the perfect chance for a little reunion. But Takumi is furious at Hachi for crashing the event, and she is forced to choose Takumi over Nana one more time. But was this Hachi's last chance to get back in Nana's life?Hachi hasn't seen Nana or the rest of Blast since she moved in with Takumi, and Shin and Reira's joint birthday party seems like the perfect chance for a little reunion. But Takumi is furious at Hachi for crashing the event, and she is forced to choose Takumi over Nana one more time. But was this Hachi's last chance to get back in Nana's life?