For a doujin game, having an RJ number implies a few things:

While primarily a narrative-driven experience, the game incorporates classic RPG elements:

: Released in late 2021, the title features significantly higher production values than the first entry, including animated character portraits (Live2D-style) and more intricate background art. Narrative & Tone

The game follows a classic "Hero's Journey" trope but with a twist suited to the adult genre. You control (and eventually other party members known as the "Chosen Women"), who is tasked with defeating a great evil. Unlike standard RPGs where the hero becomes stronger through valor, the progression system here is tied to "Lewdness" or corruption.