Airenjaa is the first "Best Of" album by Ai Nonaka (野中藍), released on 27 January 2010.

The lyrics of the new song, Fight!!

One of the new songs, Minna no Uta (Everybody's Song) (みんなのうた), was selected as 2010 January's ending theme for "Anison Plus (アニソンぷらす)", a weekly 30-minute anime song and artist-related program that has monthly changing opening and ending themes and is broadcast by TV Tokyo.

[1] As part of the efforts in promoting this album, Nonaka appeared as the pickup artist for the third time in Anison Plus (broadcast on 25 January 2010 27:15, i.e. 26 January 2010 3.15am).

The theme of Airenjā is about five rangers led by the green ranger (renjā) protecting love (ai), thus rangers of love.