Not a Succubus
by Spicy Pumpkin
Panel one: An ongoing sandbox game from Spicy Pumpkin, Not a Succubus was built with Ren'Py. The story follows a male protagonist through paranormal, romance and harem. Scenes are presented as 2D art and animated scenes. Available for Windows, Mac, Linux and Android, about 1.6 GB.
From the box: “you’ll need to inspect the guests (who are all seductive women) to find out if any of them are hiding their true nature.”
Screens
6 screenshots from the game's own gallery.