Thanks for the examination and correction over the facts. just took another look at the description and noticed it says 25 chars when I only remember 6 or 7. I guess it was just so repetitive that I thought I saw everything by the time I got bored.
Firstly, what can I say except "You're Welcome"?
I am an Official Wife Trainer Files Moderator after all, it is kind of my job to answer questions and make sure everyone has the correct information.
There is 10 Clients in Total, which is where the main amount of content is, probably around 65% to 75%, the rest is with the "minor characters", such as the Rae the Sex Store Clerk and Bree the Bondage Store Clerk, with a huge chunk tied to the club and the characters that uses the club.
Most people have only played the RAGS version of the game, which strictly speaking was only called "Wifetrainer", which only had 9 Clients. I think the total of interactive characters is around 28 or so (despite there being 32 character definitions, though a couple of them have no content).
This port (and continuation) is Wife Trainer Files and have at the very least more than twice the amount, if not more, content than the RAGS version. And I already mentioned the port has mod support, though the mod documentation is still nearly non-existent, but there are mods for the game, both cheat mods and content mods.
Here is a Google Sheets I made, which covers all the possible states characters in the game can get:
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Note that Character States is not the same as content. Becky Sue have water sports content, for instance, but that is not a state. A state would be Bimbo, Girlfriend, Whore etc.
Still Character States is a good indication of what you can expect from a character. If she can be Slavegirl, you could expect BDSM content for instance, Showgirls have stripping, Girlfriends have a lot of different content. Puppygirls and Dolls are rather limited in content though, but still worth it in my opinion.
The next update, 0.7o, focuses on Alexis the Personal Assistant (which is technically a SelectaCorp tie-in), both on her training content and her post-training content (which she currently has none of). The update has a tentative ETA of late September / Early October.