Murder — Kuroshitsuji: Book Of

Sebastian, the seemingly invincible butler, is found dead, leaving Ciel to solve the case without his primary weapon. Why It Works

A series of gruesome murders occurs during a storm, trapping everyone inside. Kuroshitsuji: Book of Murder

Removing Sebastian’s protection creates a rare sense of vulnerability for Ciel. Sebastian, the seemingly invincible butler, is found dead,

Despite the stakes, the "bumbling" servants provide necessary comic relief. The Highlights the seemingly invincible butler

It pays homage to Sherlock Holmes and And Then There Were None .

The two-part format (roughly 2 hours total) allows the clues to breathe without feeling rushed.