Oyasumi Jack The Ripper

From AQUA Scans:
“I knew that eventually I would fall into hell―.”
One day, young executioner (Monsieur de Paris), Edward, opens his eyes in “hell”. While unfamiliar monsters waltz in the place, Ed meets “that man” who once stirred the surface―!?
Ninomiya Ai of “Are you Alice?” and rookie Nao Ikuhiro draw a story of puzzles and resurrection, starting now!!