SPOILER ALERT
i read some of the raws using mtl so im not sure if it's accurate but it seems that in the next chaps, the duke's son will cause the twins and the emperor to misunderstand each other. ugh, i hate that lil sht. it also doesn't help that the twins overheard the emperor and the first prince talking about the twins' mom and how he originally wanted to kill them. so now the twins are wary of everyone in the palace. and the duke's son tells a lie to the emperor about how the twins are overwhelmed and like how they want to go back to their old palace so the duke ends up building a new palace at the back of their old palace (?) and when the twins were told that they misunderstood and were like, yeah, see he doesn't want us that's why he's sending us back out. then they encounter jason again who is in danger of disappearing if the twins don't stop feeling hate or smth. i hope it helps.
Another further spoiler...
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Based on the novel
Red head will not disappear I know some of you ship Arien and him well good for ya they will..you can see the twins are weak "for now" but as the novel progress Arien discovered to be more poweful( being the only daughter plus her other blood had given her the edge). She is powerful than her siblings..so many wanted to get her..Argen will grow up very handsome(Novel covers made them georgous and the art was different on webtoon adoptation) and they will grow closer to their father..they even call him daddy..the ending was wholesome..it was worthy. Note: don't ask me about how or where did I found the link it was paid website and it takes 100+ of chapter in order to finish the novel.
can someone spoiler me what will happen to them in the future??