Nana 7.8 is a fanbook by Ai Yazawa on March 14, 2003. The volumes fit in between volumes 7 and 8 of Nana, hence the 7.8. The book includes full color pages, character statistics, and an interview from Ai Yazawa. In the bonus pages of volume 8, Junko closes her bar down because of the party in volume 7.8.