Shadows House Vol 4

From the Yen Press edition

A collection of nobles inhabit a peculiar mansion along side their living dolls, who may only be acknowledged as a Shadow’s “face” after passing their debut. Kate and Emilico are in the midst of their trial, but time is not on their side...Can Emilico navigate the labyrinth to rescue Kate from her thorny prison before the sand runs out...?

Source: Yen Press