週刊ヤングサンデー
Written and illustrated by Inio Asano, "Goodnight Punpun" was first serialized in Shogakukan's "Weekly Young Sunday" from March 15, 2007, until July 31, 2008, when the magazine ceased its publication. It was then transferred to "Weekly Big Comic Spirits", starting on October 20, 2008, The series finished on November 2, 2013. Shogakukan compiled the 147 chapters into thirteen volumes between August 3, 2007 and December 27, 2013. Some of these volumes have been sold as limited special editions with extras like: a phone strap, T-shirt, colored pencil set with figures, and lensless glasses.