Update! · 2:55pm Feb 19th, 2022
Okay, I think I've let you guys wait for long enough (not sorry! :P), I have been working on the side story for about-ish a year now. I can't say I've made as much progress on that as much as I would have liked, but it is as it is. *shrug*
Now, the reason for me posting this little teaser is that... I kinda have not quite so great news about it. I'm still nowhere near finishing it, but I don't want to keep you all waiting for much longer. Which brings us to the topic of how I am going to update this little thing...
Seeing that I have very little time on my hands as of August last year, I can't promise an update schedule like the main story with (usually) two weeks between chapters. I have about 200k written that I don't feel too badly about. The problem here, though, is that those 200k are split among ~10 chapters, explaining my heavy reluctance to pump them out in like two weeks between every chapter. If I do that, I will run out of chapters before too long and I don't like the thought of what might happen then. I really want to give you regular updates, but I can't do that as fast as I did with the main timeline of Twin Suns.
So... what am I going to do? I'll probably stick to one chapter a month depending on if nothing goes wrong. I do need to edit some chapters more heavily than others and I also need quite a bit of time to write more chapters. Sorry if that might upset you, but I don't care. I'm doing this on my time and I don't have much of it. 
On another note, the side story is shaping up nicely, in my opinion. It is getting a bit more naughty than Twin Suns ever was and, uh... yeah, no. This is going to be degenerate as *fluffy bunnies*. All I am saying is this: If you have a problem with smut in every single chapter, then don't read the side story. I mean it.
And just to give you guys something to salivate over, this is what's awaiting you:
Building up an empire from scratch seems like a daunting task, doesn’t it? Well, a bit of human ingenuity and a few of my changelings here and there, a powerhouse of a husband, and a magical artifact that literally holds the equivalent amount of power of a few nuclear atom-bombs worth in love helps quite a lot in creating the most powerful nation this world has ever seen.
Who am I? Queen Araneae of the Crystal Empire Hive. None shall harm my ponies and changelings. Not even an upstart umbrum thinking she could take over MY Empire.
Yes, I am going there. 
Maximum sneaky.
Wow. Now those comments make sense.
5637490
Imagine my surprise.
5637491
Can't wait to read it. Even with a slow update schedule.
Praise the clop, for it will be glorious ♡
The story will be amazing, i just know it
5637493
I'll strive to live up to expectations.
Wait a minute...
That's not Sombra.
5637498
5637499
duun
DUUUN
Dun
Okay... what the *fluffy bunnies* just happened here...
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5637522
Sequel / side story anounced
5637524
I mean, I'm not complaining about that many views, but it's kinda weird. That number jumped from like barely over twenty views to a thousand and some odd views in a minute or so. The most views I got on a blog was the one for the alternate Twin Suns cover with about-ish seven-hundred views and that was because I promoted it in the corresponding chapter.
Now, if only I could get that many votes on my stories...
5637525
Anyway with millions of Fimfiction users i doubt it is that surprising. Just imagen ever 5 would actually comment occationaly. The comment section would no longer look so empty...
Give it time
5637527
Mhh... still feels like something went wrong there. Like someone refreshed the site for a thousand times or something. *shrug*
5637525
Every other person, I would say they are crazy but you? You deserve way more than 600.
5637575
Summer won't be the main character in this story. Dare I say, she won't appear in the way you think.
Winter is coming. Brace for more changeling on pony action
5637850
Winter is a good keyword.