Before the game's release, a manga adaptation drawn by Ui Takano was serialized in Kadokawa Shoten's Comptiq magazine between the February 2007 and October 2008 issues.
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The first series is written by Jōji Kamio, with illustrations by Makako Matsumoto and Rakko, and is published by GoodsTrain under their TwinTail Novels label.
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Another manga, this time a four-panel comic strip, drawn by Yuki Kiriga, was serialized in ASCII Media Works' Dengeki G's Magazine between February 2007 and January 2008; the manga transferred to Dengeki G's Festival! Comic in April 2008 and ran until April 2009.
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Two light novel series were adapted based on the game, the first written by Jōji Kamio and published by GoodsTrain while the second is written by Hack and Masamune Yotsuya and is published by Harvest.
He has notably written novels for the past four visual novels by Hooksoft: Orange Pocket, Like Life, Summer, and HoneyComing.