尖端出版
"Whispered Words" began as a manga series written and illustrated by Takashi Ikeda, which was serialized in Media Factory's seinen manga magazines "Monthly Comic Alive" between May 26, 2007 and September 27, 2011. The chapters were collected into nine "tankōbon" volume released between December 22, 2007 and January 23, 2012. One Peace Books will release the series in North America starting May 13, 2014. The manga has also been licensed for release in Taiwan by Sharp Point Press.