週刊ヤングサンデー
"Solanin" is written and illustrated by Inio Asano. It was serialized in Shogakukan's "Weekly Young Sunday" from 2005 to 2006. Shogakukan published the manga's two "tankōbon" between December 5, 2005 and May 2, 2006. A combined edition featuring colored illustrations and a new epilogue chapter was later released by Shogakukan on October 30, 2017. The manga is licensed in North America by Viz Media, which released the manga as a single volume on October 21, 2008. The manga is licensed in France by Kana, in Poland by Hanami, and in Taiwan by Taiwan Tohan, which released the manga's two "tankōbon" volumes between June 23, 2005 and September 24, 2006.