Asmodeus
by Factory Direct
From the letters page: Factory Direct's Asmodeus is a visual novel made with Ren'Py, currently still in development. Themes: romance, mind control and parody. Presentation uses 3D renders and animated scenes. Available for Windows, Mac and Linux, roughly 489 MB.
From the box: “You take the role of Suguru Kamoshida, a gym teacher at Shujin Academy, as he gains the ability to manipulate the people around him. You can choose to abuse it, or ignore it.”
Screens
6 screenshots from the game's own gallery.