Angels of Death

Angels of Death (殺戮の天使) is a Japanese horror adventure game by Hoshikuzu KRNKRN (Makoto Sanada) for Microsoft Windows in Japanese, Korean, Chinese and English languages. A manga adaptation began serialization in Comic Gene since October 2015. An anime adaptation by J.C.Staff is expected to start airing on July 6, 2018.

Plot
13-year old Rachel awakens to find herself trapped in the basement of an abandoned building. Without any memories, or even a clue as to where she could be, she wanders the building, lost and dizzy. In her search, she comes across a man covered in bandages. He introduces himself as Zack who wields a reaper's deathsycthe.

A strange bond is struck between them, strengthened by strange, crazy promises…

These two, trapped in this strange building, don't know why fate has placed them there. But they will work together desperately to find a way out…

Official

 * Anime official website

Other Sources

 * (anime)
 * (anime)
 * (manga)