Watch anime online, stream anime episodes online for free.Watch NANA Episode 40 English version online and free episodes. Anime Episode guide, Chapter NANA Episode 40 English dubbed Blast, Debut! With Blast holed up in a secret hotel room, Misato has come to visit again while Yasu and Gaia finally make a decision about the debut. Nana tells Nobu that she has a plan to get Hachi back. Trapnest’s members leave for London and Hachiko heads back to her hometown, while Reira discovers that Blast’s debut single will be released on the same day as Trapnest’s new single.