A 2004-current light novel series by Igarashi Yuusaku, with illustrations by [[Shaa]], published  ASCII Media Works' Dengeki Bunko imprint. Also adapted into a 2006-10 manga serialized in [i]Dengeki Moeoh[/i], with illustrations by [[Miyama Yasuhiro]], visual novels, and two 2008-2009 anime by Studio Barcelona.

h4. Characters

* [[Alistia Rein]]
* [[Amamiya Shiina]]
* [[Asahina Mai]]
* [[Asakura Nobunaga]]
* [[Ayase Ruko]]
* [[Ayase Yuuto]]
* [[Kamishiro Yukari (Nogizaka Haruka)|Kamishiro Yukari]]
* [[Nagai]]
* [[Nanashiro Nanami]]
* [[Nogizaka Akiho]]
* [[Nogizaka Gentou]]
* [[Nogizaka Haruka]]
* [[Nogizaka Mika]]
* [[Ogawa (Nogizaka Haruka)|Ogawa]]
* [[Sakurazaka Hazuki]]
* [[Sawamura Ryouko]]
* [[Takenami]]
* [[Tennouji Touka]]
* [[Yatsusaki Setsuna]]

h4. External links

* "Official Site":http://asciimw.jp/mediamix/nogizaka/
* "Official Site (anime)":http://www.nogizaka-haruka.com/
* "[i]Nogizaka Haruka no Himitsu[/i] on Wikipedia":http://en.wikipedia.org/wiki/Nogizaka_Haruka_no_Himitsu
乃木坂春香の秘密