The novel serves as an introduction to the game, authored by Takumi Nakazawa, known for works like Ever17 and Memories Off 2nd, and illustrated by Wadapen. It features chapters dedicated to each of the six heroines in the following order: Nanaka, Aoi, Syuri, Yuzuki, Hinako, and Asami. The chapters are titled as follows: 1. "Seven Children: Nanaka's Story" (七つの子, Nanatsu no Ko?), released on March 30, 2007 2. "The Lost Child Aoi-san: Aoi's Story" (迷子の葵さん, Maigo no Aoi-san?), released on April 30, 2007 3. "Me and Him, My Friend: Syuri's Story" (私とアイツと、私の仲間, Watashi to Aitsu to, Watashi no Nakama?), released on June 30, 2007 4. "Close Encounter: Yuzuki's Story", released on August 30, 2007 5. "A Small and Large First Step: Hinako's Story" (小さくて、大きな第一歩, Chiisakute, Ōkina Daiippo?), released on September 30, 2007 6. "What Thing Did You Lose?: Asami's Story" (失ったものは、何ですか？, Nakushita Mono wa, Nan desu ka??), released on November 30, 2007