Ningyo Heart 2013

My Save State is where you keep a history of the games you play.

Ami and Mamoru are two childhood friends, until, one day, Mamoru starts suffering heart problems and ends up in a coma.
Miraculously, Mamoru manages to wake up, but to his surprise, his friend Ami is missing. Knowing that something bad is happening, he begins to investigate, and all the clues lead him to the "Dollmaker".