I'm not sure which specific 'anak full story' you are referring to. There could be many stories with this name. It could be a personal narrative, a folktale from a particular culture, or something else entirely.
As I don't know the details of the 'anak full story', it's hard to say what its significance is. It could be significant in the context of the community or culture where it originated. For example, if it's a local folktale, it might teach moral lessons to the children in that area.
I'm not sure who Aku specifically is. Aku could be a person with a great imagination who tells all kinds of stories, like adventure stories, fairy tales or even true - life stories.
Vilma Santos is a well - known figure. However, if 'Anak Vilma Santos' is something very specific, it could be a story within her family perhaps. Maybe it's about her child's journey or a story told from the perspective of being her offspring. But again, without clear details, it's just speculation.
It could be someone from the Naruto universe who doesn't like Naruto's newfound fascination with Aku. For example, Danzo might see Naruto's interest in Aku as a threat to the stability of the village and try to stop Naruto from further exploring Aku - related things. So, Danzo could be the main antagonist in this case.
The character of Aku could be developed in a 'pregnant Aku in Samurai Jack fanfiction' by exploring how he interacts with the world around him differently. He may become more reclusive as he doesn't want others to see his 'weak' state. Or he could become more aggressive in trying to protect his pregnancy, which would be a new aspect of his character. Also, his relationship with his own power might change. Maybe he has to find new ways to use his magic that don't harm the unborn, which would force him to grow and adapt in ways he hasn't before.
One idea could be a crossover where Aku accidentally opens a portal to the Naruto universe. Naruto, being the curious and brave ninja he is, decides to explore Aku's world. They could start off as enemies, but gradually come to understand each other's motives and end up teaming up against a greater evil that threatens both of their worlds.
I'm not sure specifically as I haven't read this 'ali topan anak jalanan novel'. It could be about the story of a character named Ali Topan who might be a street child or have some relation to street life. Maybe it depicts his adventures, struggles or growth in the context of the street environment.