Geddoubo & Murder License Kiba

Kiba Yuji may look like a normal guy, but he's got a dark secret. He carries a murder license, and his secret code name is KIBA! He can morph his body as he wishes, allowing him to even transform into a woman! Welcome to the beginning of another ulra-violent extravaganza by the same man who brought you Black Angels! (Source: Manga Reborn)

Gedoubo is an itinerant monk who roams the country subsisting with his begging bowl. However, this is a monk who has gone astray from the teachings of Buddha. His dark eyes can see the dusky black aura of the wicked! Scoundrels who have committed evil deeds in the past are unable to suppress their desires and they will repeat the same sins again. It is a fate that cannot be changed, and no one can escape its consequences… This is the story of Gedoubo, a vigilante who will be the judge and executioner for the wicked, and the protector for the weak and helpless. (Source: Nihonbungeisha, translated)