Niplheims Hunter, a hentai RPG by Black Train. Published by HappyHand. English localization released on January 21, 2019. Download on Nutaku.net for $20.00. For PC Windows. Partial voice acting.
A long time ago, a cheeky demon branded Azel with a lust spell. She wants to track down the demon and free herself from the curse. Azel joins the Hunters Guild, and begins her adventure towards emotional healing! The curse gives Azel incredible power, but makes her constantly lose self-control.
Source: N4G PC [NSFW] Hentai RPG Review: Niplheim's Hunter – Hentai Reviews