月刊アフタヌーン
First serialized in Pandora Vol. 2 Side-A, it was later transferred to the Japanese magazine Monthly Afternoon. It's an adaptation of the first volume of the "Ningen" series and it was drawn by Iruka Shiomiya. It was serialized from December 20, 2008 to August 2013. Compiled by Kodansha in 5 volumes.