Ankoku Delta

In the otherworldly city of Delta, its grotesque residents sustain themselves by consuming human energy...! This gritty, action-packed tale marks the first full series from the up-and-coming talent who captivated audiences with the one-shots "Death Salmon Hunter" and "Composter Funeral!"

(Source: MANGA Plus)

Included one-shot:
Volume 5: Composter Soushiki

Ankoku Delta was published digitally as an English simulpub through MANGA Plus.