I believe the true hero, the all legal/good/correct won't use his advantage to get girls. I just simply can't conceive a situation where MC fucks Aya being hero or true hero. At that point, MC is aware that his smell is doing something to the girls, and even if she jokes, she's constantly trying to say no to him. Asking him to stop.
For those who rather have a training session or fight instead of a girl, I'd say the same I've been saying all this time. Game should be very forgiving, you don't need to make all the correct choices, as you don't need to use every bit of your time in the most efficient way. (That's why I have to fix sewer fight, because that's really hard locking, even in easy mode).
About Jennika, we will have a lot more content with her, remember she has a daughter and we will probably know her soon... for real. So we can expect some content there too. Also, Jennika using toys or some latex is probably happening too.
And a few classroom situations I have in mind, so no, Jennika isn't over, there's a lot more we can get from her (both routes).
About Ginger, Whisper, Karma.
Those girls are a bonus for each branch, but yes, you can persue them all if you don't care about your "hero/vig/anti" status, once again, there may be a reward for those who stayed true to their paths all game, or maybe not, but the idea is to make a game with some replayability (or however it's written). That's why I'm not going for correct or wrong choices, but "how do you want this" choices.
Thanks for the good words, and the critics too, everything helps me learn!