Thank you for your extensive reply. I've played through all the available content of Inheritance and I'd picked up on the allusion. Unfortunately, I like Inheritance only for the idea of the story-line. Like I said, besides the introduction, the content is rather sparse and you need to grind through the game to get to it. I do know that the game is based off of
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story made by the same author. He, GateKeeper, also created HTML games like The Allure of Wanton Cove, so I don't think he's trying to piggy-back off of Teaching Feeling's popularity like you said.
I've pretty much played through CoC, from start to finish, at least 3 times. I have save files with at least 2000 days played. Vala's (the fairy slave you mentioned) content was okay, but like you said, not really extensive. I've also played TiTS, probably way too much to be honest, but I actually liked CoC better. The whole Sera story-line is much better executed on the submissive path, rather than the dominant path where you buy out her contract and get her as a slave.
I've seen Fall of Eden around on Fenoxo's website, but I didn't want to jump into another CoC-style game when there was only a little bit of content available. Guess it's finally time to explore that one then.
The Trainer type games I've also pretty much all played through. It's rather unfortunate though, that the Trainer games only really focus on the progression from strong-willed woman to obedient, submissive slave. There's so many games that focus on having you, the player, either buy slaves or enslaving them yourself, but nearly no games that actually have you form a relationship with a (former) slave. Like I said, the fact that you can actually do that in Inheritance is what attracted me to that game.
Bunny Black, while a great game, wasn't really in my taste. Nothing against it, but I just couldn't really get into it for whatever reason.
So, unfortunately you've said nothing new (besides giving me incentive to really try out FoE at least), but thank you again for your well thought-out post.