Not to butt in somewhere I might not be wanted, but I also commented on this game earlier and hope I don't muddy the waters as I chip in. Also, I have to add that I'm -completely- unfamiliar with the RPGMaker "scene" (?) so I apologize for my naivete'.

Also, SPOILER ALERT.

I immediately perceived the anthropomorphism of the horse character, and/or a world in which a talking horse - who seemed to be a housemate or family member of some sort - was taken for granted as commonplace. I didn't see it as bestiality akin to that in the world as we know it. Of course, the game being made in RPGMaker also reinforced this. The character artwork wasn't realistic or gratuitous, and admittedly I only had a glimpse of the video footage of... maybe people dressed-up as horses? Could have been a clip from a performance of Equus for all I know. If horses could be housemates, then it didn't seem to far a leap to consider them lovers in the world presented here.

The notion of the player having repressed memories coming to the fore can seem traumatic to some. However, the player has "agency" of a sort in the end-scene battle, which led me to believe that the character(s) were not there against their will. I was left with the impression that the main character just had a "wild past" and one crazy night wasn't brought up again so as not to disrupt the social group, and in fact the brown-nailed witch was a kind of muck-raker or shit-stirrer trying to bring up past drama. Why, I suppose we'll never know.

Now, in a sequel, I could imagine what the player does now that they've become reacquainted with this memory. Lots of different ways to take it, and yeah definitely some that could be inappropriate for most audiences. The game ends abruptly, leaving the tension addressed only with uncomfortable gut-stirrings or confused laughter (the latter on my part, it seems).