Don't let all the bells and whistles fool you, this is a very standard and straightforward corruption RPG.
The only thing that really stands out is the art, which is well done. Beyond that, it's a very typical entry into this genre. The plot is linear and the bog standard 'female protag (Rain) gets cursed to be lusty', the battle system isn't anything new, and there's about six or so dungeons to crawl through. The sex part of the game is your usual scene collector stuff wherein after you move along the story new events will open up around the city map, and the scenes themselves are almost always linear and offer no choices within them.
The one thing that this game does somewhat differently than similar games is that most events have stat requirements -- i.e., Rain's oral stat will need to be level 2 to unlock a specific scene. While that may be an interesting concept the execution of it is pretty bad. You might be thinking, "If she has stats for various sexual activities then surely there's a number of ways to increase those stats" but, no, you'll just be grinding the same few scenes to up the stats, and those scenes also often don't change based on her stats, so you'll be repeating the same exact scenes again and again.
I should emphasis 'few scenes' there because this game is fairly thin on the sex content. Most event chains only have 2 - 3 scenes, some only have one and feel like they just sorta stop, as if the developer got bored midway through development. The item shop owner, for example, asks Rain to model slutty armor and then... that's it. There's nothing after that. Likewise with the rich guy -- he'll ask Rain to clean his mansion and then offer to pay more for a titfuck and then... that's it, there's no more scenes there -- he'll never ask for anything more. The game even introduces a beach town midway through the game but it only has two scenes in it. There's also a slums area but outside of generic gropers there's nothing there. I can already hear the usual "quality over quantity!" defense but the scenes aren't anything special. Then there's the NTR but, like most of this game's sexual content, it's extremely undercooked. Rain has a guy she's interested in but he's only in the game for about 10 minutes, so the relationship is nearly nonexistent and outside of a few story scenes she'll never think of him as she's getting fucked by some random NPC. The are two things I'll give the game credit for in terms of sex content: 1) a lot of sex images will change depending on what costume is equipped; 2) occasionally throughout the story Rain will get the option of whoring herself out for info or an item but, unfortunately, those instances are few and far between.
As for the translation, it's good. There's some Engrish here and there, plus about 5% of the text is still untranslated (mission descriptions, location labels, a few rare messages here and there) but it's playable and I never ran into any completely incomprehensible scenes.
Overall it's a competently made hentai RPG with a good bit of polish but ultimately nothing spectacular or memorable. If you really like typical corruption RPGs with female protags and have a few hours to burn then you could undoubtedly do worse.
Good art, nice Scenes (It will get more scenes with future Updates according to the dev)
