Much to my surprise this really is a thing; a fair number of folks on another website had the same feedback! And while it kind of shocked me, I love it. I'm guessing folks doing a route like this are also checking out the explicit scenes, but it tells me the story and narrative is compelling enough that folks want to explore this kind of path. It is NOT something I even remotely anticipated but I love it. I'm going to have to give some thought to having this acknowledged and play some sort of more significant role in the story, maybe as some kind of "Easter egg".
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I'm in the exact same situation haha. At first i thought it was just gonna be a quick smut. (And i absolutely love the dom/sub vibes going on, not many VNs even dare to do it, much less do it well. Excited to see more of that, too).
But now im actually hooked to the story and mystery, too (even though i love the hot guy-monsters). It's particularly funny, because all that biomedical talk is exactly my own background as well (though not at a hospital).