|Solo Photobook by Nakajima Saki|
|Released||February 5, 2014|
|Cooperation with||Up-Front Agency|
|Nakajima Saki Publication Chronology|
N20 is the 4th solo photobook by Nakajima Saki, it comes with a making of DVD. It was released on February 5, 2014. A special edition DVD of the photobook's making of was released on March 10, 2014.
- The photobook was released on her 20th birthday, hence the name "N20".