Episode 0

After Kokushibo was felled at the hands of the demon hunters he was transported to a strange world where beings called devils existed. In this world he met a young man who changed his life from then on

Characters from chainsaw man are owned by Tatsuki Fujimoto and Crunchyroll.

Kokushibo is owned by Koyoharu Gotouge along with breathing technique except for the fan made forms for moon breathing