It’s hard for me to comment on the story here given that this is still unfinished - the story is interesting and promising, and it does what it sets out to do well, but I can’t really say whether it’s good or not until we see where it leads - especially with how this does seem like it’ll ultimately be a short story.
What I can do is commend a variety of things that I think this VN does well - first up, the music! I thought it was really nice, and worked well to set the mood. Character-wise, I think Ren is a great example of a character who’s very enthralling - you know dealing with them is a bad idea, but you can’t help but be intrigued by them. I think their sprite also contributes to this a ton - at first I was confused slightly by just how dark their fur is, because it makes it hard to really tell what their pose is, but it really contributes to the idea that they’re this sort of… deep, endless abyss that Lucan can’t help but be drawn into.
But, like I said… it’s hard to tell where it’ll go, at this stage. Especially with a story like this, it feels like a lot hinges on the ending - and even for an unfinished game, it feels like this one leaves at quite an unsatisfying point (in part because what we do have is so good). As such, I’ll have to wait before giving a verdict on this story - but know that I did really enjoy what is here!