週刊ヤングサンデー
The chapters of the Japanese manga "Ichi the Killer" are written and illustrated by Hideo Yamamoto. The series follows Ichi, a killer for a group of outcasts trying to survive in the yakuza world of the red-light district in Kabukichō, Tokyo. The manga was originally serialized in the Shogakukan magazine "Weekly Young Sunday". Shogakukan has collected the chapters into ten "tankōbon" volumes in Japan from 1998 to 2001. The volumes were republished in 2007.