Well, sometimes in such fanfiction, the framing is part of a larger conspiracy. Maybe it's not just about getting Naruto in trouble, but it's a scheme by an enemy village to create chaos within the Leaf Village. They might plant false evidence of Naruto collaborating with the enemy, which then leads to a series of events where Naruto has to prove his innocence while also dealing with the distrust of his friends and the village elders. It can make for a really engaging read as we see Naruto struggle against all these odds.
One interesting plot twist could be that Naruto is framed for a crime that he actually has the power to commit, but of course, he didn't. For instance, if there's a powerful jutsu that was used against the village and Naruto is the only one known to be able to use it (or so they think). But in reality, it was a new enemy who has a similar ability or has found a way to mimic Naruto's power. This forces Naruto to not only clear his name but also find out who the real culprit is before the village turns completely against him.
One plot twist could be that the 'pregnancy' actually turns out to be a way for Kyuubi to transfer its remaining power to Naruto in a more permanent and extreme way. Instead of just lending power, it's like a total fusion of their essences. Another could be that the 'pregnancy' is a ruse by an enemy who has manipulated Naruto's connection with Kyuubi to make it seem like this is happening, when in fact they are trying to steal the power that would be created from such a union.
A possible plot twist in a Regina Gets Pregnant Fanfiction could be that the pregnancy progresses at an extremely rapid rate. Instead of the normal nine months, it might be just a few weeks. This would force Regina to quickly adapt to the idea of being a mother and also deal with the physical and emotional changes in a very short time. Additionally, what if the baby is a key to unlocking a long - forgotten magic in the realm? This would make Regina a target for those who want to use the baby's power for their own gain. Or, it could be that Regina's pregnancy is a sign of a new era in the magical world, and she has to figure out how to lead the way into this new future while carrying the baby.
One interesting plot twist could be that the letter is delivered by a completely unexpected character, like a house - elf instead of an owl. This would change the whole dynamic of how Harry receives this important news.
One interesting plot twist could be that Sakura, as a cat, discovers she can communicate with other animals and they lead her to a hidden magical place. This place holds the key to turning her back into a human but also reveals a dark secret about why she was turned into a cat in the first place.
One interesting plot twist could be that right before the wedding, Sakura discovers a long - lost letter from an old flame. This makes her question her decision to get married. But after some soul - searching, she realizes her true love is her current fiancé.
A cool plot twist could be that the pregnancy is a sign of Danny's evolution into a new form. Instead of it being a normal biological pregnancy, it's a supernatural transformation. As he progresses through the 'pregnancy', he gains new powers and abilities that he has to learn to control, and in the end, he emerges as a more powerful version of himself.
One possible plot twist could be that Sebastian's true motives for getting Clary pregnant are revealed to be part of a larger, darker scheme. Maybe he plans to use the baby for some sort of power - play within the Shadowhunter world.
One plot idea could be that Naruto is framed for stealing a powerful and ancient scroll from the village. The real culprit could be a rogue ninja who has the ability to disguise as others. Naruto then has to prove his innocence while on the run from the village's forces. Another idea is that he's framed for a crime that was actually committed by a corrupt member of the village council, who wants to get rid of Naruto because he's seen as a threat to their power.
One interesting plot twist could be that Naruto discovers he has a hidden power from a long - lost clan that changes the course of the final battle. This power might be something that gives him an edge against a seemingly unbeatable foe.
A great plot twist could be that Naruto turns out to be a half - vampire. It would completely change his character arc and how others in the Naruto world perceive him.