Gekkou no Carnevale

The story is set in Belmonte Calabro in Italy. Belmonte is the city of filled with Automatas and boasts the biggest number of Automatas produced a year.

Automatas are androids. Mechanical beings created from nothing. Most Automatas can be easily distinguished from humans due to their robotic faces but there are the Antique Dolls, which looks exactly the same as humans with only their eyes giving away who they really are.