This update introduced several significant additions to the game's world:

: New CG illustrations for the Alraune and the Nightmare enemy. Voice Acting : Added voices for the Bookworm Oni Succubus . Gameplay Overview

: The game features explicit erotic content, including energy-draining mechanics and various fantasy fetishes. General Controls Movement : Left/Right or A/D keys. Jump : X or J. Interact/Hide : Up or W. Inventory : C or K. Drain Mansion on Steam

In Drain Mansion , players control a protagonist who wakes up in a dark, unknown mansion and must find a way to escape.

: If caught, players can struggle to escape by rapidly pressing designated keys (typically Enter and Space ).