A plot twist might be that Willa was not really who she seemed to be before the kiss. After being awakened, she starts to show her true self, which could be something completely different from what Cheetara expected. Or maybe the kiss was not just a simple act of love or rescue, but was actually a key to unlocking a hidden dimension or a long - forgotten prophecy that throws the whole story into a new and unexpected direction.
Perhaps Willa discovers that she has some sort of special power that is activated by Cheetara's kiss. But this power comes with a price, like she has to leave her home or give up something she loves. Another plot twist could be that Cheetara kisses Willa thinking it will save her, but in fact, it puts Willa in more danger as it attracts the attention of some evil force in the story.
I haven't actually read this specific fanfiction, but generally, a story about someone being awakened by a kiss often involves themes of love, surprise, and new beginnings. Maybe in this fanfiction, Willa was in some sort of slumber, either physical or emotional, and Cheetara's kiss was the catalyst to bring her back to full awareness. It could also imply a deep connection between the two characters.
One possible plot twist could be that Cheetara discovers Mumm - Ra's true nature only after the marriage. Maybe she thought she could change him, but then realizes he has some dark ulterior motives that put her and her friends in danger.
One possible plot twist could be that the yandere's true nature is revealed to Osana during the kiss. Maybe Osana realizes that the yandere's love is not normal and it scares her. This could lead to a conflict where Osana tries to distance herself from the yandere, but the yandere won't let her go easily.
In a 'cheetara gets betrayed fanfiction', perhaps her closest friend reveals her secrets to her enemies. This could lead to her being in great danger as her foes now know her weaknesses. She might feel isolated and have to struggle alone to overcome the situation.
Maybe in the fanfiction, Cheetara discovers a strange portal and ends up in the Naruto universe. Naruto is initially suspicious but soon realizes she's not a threat. Cheetara is intrigued by Naruto's chakra and his ability to use ninjutsu. They start training together, with Cheetara teaching Naruto some of her speed - based combat techniques and Naruto showing her how to manipulate chakra more effectively. As they face various threats in the Naruto world together, their bond grows stronger.
One possible plot twist could be that it's all a dream of Sakura's. Maybe she has a deep - seated longing for Kakashi, but she's been suppressing it. And the kiss in the fanfiction is her subconscious mind's way of expressing that hidden desire.
One plot twist could be that instead of dying, Romeo and Juliet's kiss has some magical power that makes them invisible to their feuding families. So they can be together secretly while trying to find a way to end the feud.
One possible plot twist could be that their kiss is part of a science experiment gone wrong. Maybe Jimmy was testing a new device that accidentally caused a love - induced field, and he and Cindy end up kissing. But then they have to figure out how to reverse the effects without losing their new - found closeness.
Maybe in a post - Cell Games world, Android 18 has become more integrated into the Z - Fighters' group. Goku, always open - minded, starts to notice her more as a person rather than an android. They go on a mission together where they are trapped in a dangerous situation. In the heat of the moment, they share a kiss as a sign of their new - found connection and a hope for survival.
One possible plot could be that Zuko and Toph are on a dangerous mission together. As they face various challenges, they start to rely on each other more and more. In a moment of intense relief after a near - death experience, they share a kiss.