Petite Goddess Emily, a corruption hentai game developed by circle Shoku. Released February 5, 2015. Available on DLsite.com for $14.00. Available for PC Windows. Partial voice acting.
Demons have begun to harass the people of Earth, and Goddess Emily has been sent from the heavens to defeat them. Along the way she finds out that demons only want to defile her body and corrupt her.
Source: N4G PC [NSFW] Hentai Game Review: Petite Goddess Emily – Hentai Reviews