Denpasoft has also confirmed during their ACen panel that Devil on a G-String is getting an 18+ release. This is great news for Eroge fans since the all ages version on Steam has some pretty big edits.
Devil on a G-String is getting an 18+ unrated version! #denpacen pic.twitter.com/MZOc9220Zc
— Denpasoft (@Denpasoft_pr) May 20, 2017
You can find out much more about this Visual Novel over at VNDB.