Mmmmmm, no mention of Lucia which is weird since she has two pretty juicy NTR hooks both in the paternity test and in her needing to be fucked to achieve a good night sleep.
1) The Brenna Ophelia Hunter one I'd like to point out seems shot on his Balcony? If this is the "Final Solution" ending, so to speak, then we can strike out the "switches bodies with Sterling" possibility, since he would be doing this in Sterling's room (if we assume we as the audience can still see his "real" body in the sex scene). This is most definitely that bad ending tho if we are to assume all plot lines have been spoiled, but we still have no idea how we got there to begin with.
Especially since, again, Hunter hasn't set foot in his room ever since Drew showed up, and if we have to assume What If 7 is SOMEWHAT Canon in the way the characters interact (IE, Hunter considers Drew transitioning into becoming a woman akin to "losing his heir and son" so to speak (Hence Ophelia not wanting to hear her father talk like that about Drew in the massage bad ending (as well as not wanting to hear him talk shit about her mom either), in a classic "Cis Parent of Trans Kid" shit scenario), then he and Drew probably didn't leave on the best of terms after she "let him down" by deciding to become a woman after discovering herself.
This to say, for him to be on that Balcony to face fucks Ophelia and Brenna while drinking wine, things have to have changed enough that he feels 1) Safe enough not to expect Sterling to tackle him off the balcony and 2) Not to have Drew to interrupt him.
Which means, btw, removing Sterling from the equation, and not expect Lucia to retaliate in their cold war for removing her main fix for cock (And let's face it, even if she needed another source, I'm pretty sure she'd still pick Drew over Hunter any day given how she ticks way more kinks for her than him).
2) Tiff's one is weird. Like, it looks a bit too "zany," don't know how to put it, he might be just sneaking up on her after asking for a "health check up" so to speak but then why not use the new Nurse character for that too? She isn't in her maid uniform either so she isn't cleaning for him, the context is missing.
3) You'd expect someone smothering Catherine with her breasts not to be part of a NTR ending, especially since the breasts are too white to be Drew's, yet here it is. Place is too well lit to be during the date night, so I'm assuming this is happening at Rebecca's farm, probably leading to the dog misdirection. So, like, is her Grandmother fucking Catherine then? Why would that be NTR?
3) The Brenna/Drew thing is one of those "could mean anything" scenarios honestly. Like, especially with Drew, she seems almost shocked in getting an erection there to begin with. Brenna also seems to be venting to her about something, which I am assuming probably happens in relation to something you make Sterling do, and probably because Drew is a psychologist and couple counselor, meaning she's probably seeking her professional help maybe.
I am still a firm "Drew isn't Evil she's Morally Grey at best" truther, so I'll srtick to that for now, my best guess is either the vents are doing their thing (get it, vents filling them with sex drugs while Brenna is "venting"? While Drew might be an IMPOSTOR? LIKE AMOGUS?).
Or maybe not even that, like...
Ok, Brenna and Sterling meet Drew's new Girlfriend, "Brenna's past," so to speak. She was probably one of her old high school classmates or some shit.
Now, you hear her and Drew banging loudly in Hunter's room while downstairs with Brenna, this might lead to the two of them also fucking, who knows, be as it may, at some point the new girl will try to fuck Sterling, probably while he's expected to do something NON SEXUAL with Brenna, and you can accept or not.
If you do accept, you get a sex scene with some random ass girl. Now, let's assume, for the sake of argument, that the thing the MC was supposed to do with Brenna was talk with Drew about their relationship but on a professional capacity (maybe without revealing to her the discussion it's about them, who knows), and since the MC is getting late cause he's fucking the random girl, she starts venting with Drew about him.
As she vents, the vents start venting too, followed by Drew growing hard in a combination of Brenna talking about fucking her brother, the vents, and maybe also overhearing Sterling fucking her Girlfriend downstairs (another reason for Brenna's vent, since she knows she shouldn't feel jealous or bad about it but she still feels like shit because he prioritized some random new girl over something she stressed was important for her).
Hence Brenna Drew sex scene to get over/get one over Sterling.
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