The rest of the story is a matter of history. Agnes recovered quickly, proving remarkably resilient in the face of harm. The king pardoned her for any crimes her body may have committed while under the control of the Otome Game Villainess (as he ought), and after offering her assistance with those affected by the earthquake she retired back to the woods to resume her eremitic lifestyle.
Of Yin Zhi no sign could be found. He was absent from the ruins of the tower, nor was he present in the city. He had left, and taken his collection of Isekai Protagonists with him; and where they went and to what purposes they were used was a question to which no one knew (or wanted to know) the answer. Connor and Death could think of them only with a chill; and, however merited their end may have been, resolved as a consequence of their death to grow stronger, and ensure that never again were the pair reliant on someone like Yin Zhi.
He left behind him a pile of debts resulting from damages incurred to the palace - debts which, in the absence of his presence, fell upon his nominal companions to pay. (Another excellent reason to avoid standing with the likes of him in future.) They were only able to discharge these debts after much discussion, in which it was carefully pointed out that had they not toppled the tower onto the palace, the entire palace might then be in the grasp of a flesh stealing astral parasite from another world.
The end of all this was that they were available to avoid incurring any further expenses related to damages suffered, but only by waiving the right to a reward for their services. (Which, to be fair, they had never been promised in the first place, not that any of this endeared the king in their hearts.)
As for the kingdom - well, the reader should not be too distraught. The sudden disappearance of the mediaeval armour and Regency era dresses was a great boon to the citizenry, who celebrated once more being able to wear their culturally traditional, cosy, and durable clothing by dancing in the streets.
Still, it seemed, alas, that the Otome Game Villainess’ disappearance would not undo all the harm she had wrought, or in some instances exposed. The destruction of the earthquake and of the collapsing tower would take time to fix - time, and money, and effort.
And as for the prince - well, when at last the prince awoke in his hospital bed he made it very clear that however much his obsession had been the result of a charm, his sentiments regarding his complete lack of attraction to his fiancée had been entirely sincere.
He did, of course, offer her a formal and official apology for any distress incurred upon his account - they were still engaged, after all, even if it was purely a political marriage on the part of at least one of the parties - and indicated that we would shortly be returning to a full performance of his princely duties, after taking some time to self-reflect.
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The lady Irene Isabelle Isadora de Potencia also took some time to self-reflect and, having reached the conclusion that saintess Dora held, promptly did what all mature, rational, sensible people do when they decide their relationship isn't working:
Flee the country.
…
(Kidding.)
…
(Mostly.)
…
The prince was rather distraught, one fine morning, to learn that his fiancée had left him a letter quitting the engagement, and was altogether more distressed to learn that she had also quit the country, with the saintess in tow.
This could have been a source of immense discomfort to Connor and Death - for, in her note, Rie had said she took the inspiration to travel from that noble duo - but fortunately for said noble duo, they had already left the city by then.
At the same time that Dora and Rie were crossing the kingdom’s borders, Connor and Death were already far beyond them. Death had her hands behind her head and walked through the air at a tilt, watching the clouds pass over ahead and seeking for shapes.
Connor was consulting his System, trying desperately to ignore the skill gained from his first, hitherto unmentioned (and as yet undescribed) System. Every time he saw the name his face burned red, and he cursed the Heavenly Bureaucrats for a bunch of fools.
“So, how do you feel about your finished mission?” Death finally asked, tracing out a cloud that looked like a dino with her finger.
“It was… something. Hopefully the next one can be completed without undue destruction,” Connor commented wryly.
“Well, at least we can pride ourselves on a job well done,” Death observed. Connor looked at her askance.
“What are you talking about? Almost a third of the city was levelled on our watch - we’re just lucky injuries were minimal.”
“Yeah, that’s what I said. We did a job well done, like a steak - charred, and roasted till it tastes like leather. Then you sit there chewing it slowly, eyes set with grim determination, jaw working like a steel piston, going ‘Oh yeah, that’s the good stuff,’ while your family looks on in fascinated horror, marvelling at your endurance.”
“I’ll have you know my former owner was a great enthusiast for well done steaks.”
“The one who spent half his time on you in Incognito Mode?”
“Touché. So, where to next?”
Death rotated herself in midair, examining the fields before them, lush with greenery and the smell of petrichor. She made a decision. “North by northeast. There are entire transmigrator warbands we can test ourselves on there.”
“North by northeast it is,” Connor agreed, and the two walked off into the wilds.