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

Things aren't looking good for Blast. Shin, under extreme stress from the band's rising success and his relationship with Reira, seeks out reconciliation wherever he can. Reestablishing ties with his own family turns out to be a horrible failure, and before he can connect Nana with her unknown little sister, Shin gets arrested! Is this the end of Blast?!

Things aren't looking good for Blast. Shin, under extreme stress from the band's rising success and his relationship with Reira, seeks out reconciliation wherever he can. Reestablishing ties with his own family turns out to be a horrible failure, and before he can connect Nana with her unknown little sister, Shin gets arrested! Is this the end of B