I updated the link so that it'll work again. Feel free to message me whenever something I have uploaded has an expired link, since they all stopped working a while back and I haven't tried to update all of the old ones.
That was actually the plot of one of the games. For some reason I can't find that one on his DLsite page, though. It's the one that happens chronologically before RJ180721, where she's locked in a mansion being chased by tentacles.