囚獄のヴァニタス (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Toto is a city where unexplained murders occur frequently. Kuki, a homicide detective, sees something non-human at the scene of a new murder. While searching for clues to the murderer, Kuki meets a mysterious boy, Soshino, who changes his destiny...!　A hot-blooded detective and a cool boy confront a murder case caused by the end of human delusion, "Shukua", in this bizarre x buddy x mystery!

(Translator: DeepL)