#nana #osaki #komatsu #hachi #manga #singing #rock #punk The two Nanas meet on a train by chance, both on their way to Tokyo. After a string of coincidences, they come to share an apartment. Despite having contrasting personalities and ideals, the Nanas respect each other and become close friends. While BLAST begins to gain popularity at live gigs, the two Nanas face many other issues together, especially in the areas of friendship and romance.