It's been said that more routes are possible/likely in the future, but also that side characters like bam and azagahl won't be getting routes, yes? If that's the case, how will those new routes work? If they're new characters, won't it be weird that they're not in other routes? Or will they be polyamorous routes with multiple of the already datable characters, for example dating both Spencer and Darius (which happens to be my dream route)?
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While you are correct about the implications of that phrasing, subsequent comments from the author seem to indicate that Richard will be the only one. (Probably because as you point out, Richard is basically the only character available without writing in an entirely new one, which would be a giant pile of work.)