I haven't finished it yet, but so far I've loved what I've read. The writing really is the strong point of this game. If not for the art, it would feel like an official story. The art isn't "terrible," but it really does pale when compared to the great writing, of which there's a lot. Lots of dialogue whether it be main characters, npcs, or just descriptions of objects and books littered throughout the world.
The gameplay is pretty good. You generally make quick work of enemies who can't hurt you too bad, but some of the have certain attacks that can decimate your hp if you get unlucky and they spam it. It especially becomes a problem with big groups of enemies, which there are a lot of. You can get stun-locked and debuffed and whittled down by some groups pretty easily. It can surprisingly vary in difficulty with some enemies not being able to hurt you, and others wrecking your team, so it's a constant tug-of-war of difficulty. My main problem with combat is how frequent random-encounters occur. It's as frequent as wild pokemon battles, but there are no safe-zones. Anyway, this is definitely leaning more on the "game" side of being a "porn-game." It does have romance and sex between characters, but it takes a while, and the art may not reach the standards of players used to better art in their porn-games.
TL:dR
Writing/Story Great. Gameplay Good. Art ...ehh.
Naturally, there are some bugs. Here are some I found.
- When NPCs require an item to be given to them, the game thinks I don't have the item even though I can see it in my inventory (energy potion, antidote.)
- When you reach the summoning circle in the dark elf tunnels, lighting all the torches to activate it and summon a treasure chest locks the game into a loop of the screen flashing with the teleport sound repeating. You have to restart the game.
-Prim's spell, Clear eyes, has the same description as Clear Voice.
Worst of all
-Reaching Maya's fortress results in a progress stopping bug:
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Kuroinu: Rebellion
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Script 'Window_Selectable' line 61: ZeroDivisionError occurred.
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I'm really looking forward to playing more of this game when it's fixed, and look forward to more from the developer, whether it be this or any new original projects.