Luminous = Blue

Kou Tarumizu transfers to the high school of her idol and 2 time photography contest winner, Uchiho Hayama, only to find that the photography club has been disbanded and Uchiho is in a photographic slump. To revive the club and get Uchiho out of her slump, Kou decides to enter a photography contest and chooses her classmates Nene and Amane as her subjects. But it turns out that the two of them used to be a couple...

Note: Chapter count includes two extra chapters.