Angels of Death contains anime episodes 1-16 directed by Kentaro Suzuki.

When Rachel wakes up in the basement of an unfamiliar building, she finds she's lost all her memory. As she tries to get clear of the basement, she runs into Zack, a scythe-carrying serial killer wrapped from head to toe in bandages. A bizarre promise brings these two together, and they become irreplaceable partners to each other. The journey of life and death begins...