Kaii no Souji Hito Sonezaki Shinji no Jiken

Sonezaki Shinji, a freelance writer who specializes in the occult, is a "supernatural cleaner" who solves supernatural cases. He is pursuing the mystery of multiple severed fingers with matching DNA. In order to get to the truth behind the fingers that have been discovered one after another in the town, Sonezaki takes university student Takeda Kagekiyo with him to investigate. There, the two witness a supernatural phenomenon and realize that they are approaching the location where it is located...

(Source: Natalie, translated)