Hell Is Dark with No Flowers, Vol. 4 (Manga)

An oni lurks in the eye of the storm... The stage is set, and the curtain rises on a tragedy. A masked dollmaker, a girl he claims to be his masterpiece, a loyal butler, and two feuding brothers...all trapped in the perfect storm for the "dismemberment" as foretold. But that isn't the only grisly occurrence tonight: When Seiji witnesses a headless corpse that disappears soon after, he thinks his eyes are playing tricks on him! Shiroshi, Odoro, and Aka set out to investigate, but who will be the first to see through the island's mysteries?