Official English: INKR, Azuki A mysterious substance incorporated in bracelets makes men more powerful than ever. Bullets, sharp weapons and other missiles do not kill them. From there, a sort of Fist World...

In this era, demons and monsters roam the streets at night. Humans and familiars work as partners who kill those monsters. Civil servant Fan Xiaotie and the strongest demon girl Linyu of the secret departmen...