赤い牙

Akai Kiba is an anthology doujinshi, published between 2002 and 2014. It featured many one-shots from Tsutomu Nihei and other famous mangaka (such as the author of Bokurano, No Longer Human, Blade of the Immortal and Dorohedoro). The anthology spanned 9 total volumes and was sold at the Comiket.