There might be a former lover of Bulan. This person could be the reason why Bulan is so desperate to hide her pregnancy. Maybe they had a bad break - up, and Bulan doesn't want to reconnect with this person because of the pregnancy. Or it could be that there is a new love interest in Bulan's life who she is afraid to tell about the pregnancy. This new person could be a potential main character as the story unfolds, especially if Bulan has to decide whether to reveal the truth to them or keep hiding it.
It could be that Bulan has a sister. The sister might play an important role. She could be initially unaware of Bulan's pregnancy and moving out. But when she finds out, she becomes determined to support Bulan and bring her back home. Or perhaps there is a neighbor who notices Bulan's strange behavior during her pregnancy and moving out process, and this neighbor becomes involved in some way, either by trying to help or by causing more problems for Bulan.
Maybe there could be a close friend of Bulan. This friend might be the one who discovers Bulan's secret eventually and tries to help her, even though Bulan initially pushed everyone away when she moved out.
In this fanfic, it could be that Bulan is in a relationship that she doesn't want to complicate further with the news of pregnancy. So, she chooses to hide it. Moving out might be her attempt to gain some space and time to think. She may be worried about the reactions of her partner or the society. There could be a backstory where she has seen negative consequences of unplanned pregnancies in her community, and she is desperate to avoid the same. So, she hides the pregnancy and moves out to start anew, away from prying eyes and judgmental voices.
It's also possible that there are family or relationship issues at play. If there are conflicts within her family or with her partner, she may choose to hide the pregnancy and move out to avoid the stress and figure things out on her own terms. For example, if her partner is not ready for a child and she is, she might need some space to decide what to do next.
In this kind of fanfic, the plot of Bulma hiding her pregnancy and moving out might be driven by various reasons. Maybe she wants to protect herself or the unborn child from certain threats or pressures within the story's context. It could also add an element of mystery and drama to the overall narrative.
Her best friend could be a supporting character. This friend might suspect something is wrong but Sakura keeps denying it. The friend could be torn between respecting Sakura's privacy and trying to help her. Another could be a kind neighbor who notices Sakura's strange behavior but doesn't pry too much at first.
Hermione could be one. She might follow Harry to America to continue their adventures together. She could help Harry adjust to the new place with her intelligence and knowledge.
I'm not sure which quotes are the most famous as I haven't studied this novel deeply. But generally, quotes that express the main theme, like quotes about the significance of the 'hujan bulan juni' (June rain) in the context of the story could be quite important.
Since I don't know the exact content of the 'Hujan Bulan Juni' novel, you could also visit a local library and ask the librarian if they are familiar with the book and can point you to some notable quotes. Additionally, if there are any book clubs that have read this novel, reaching out to them might yield some good quotes as well.
Ron might also be there. He could be the one who offers Harry a place to stay at his own home if Harry is having trouble finding a place. Or, if they've had an argument, Ron could be the reason Harry is moving out in the first place.
Obviously, Harry Potter would be one of the main characters. And then there could be characters from Twilight like Bella Swan and Edward Cullen. Hermione and Ron might also show up to visit Harry in Forks, adding more wizarding elements to the story.
Without having read the 'Sakura Moves On Fanfic', it's hard to say for sure. But if it's related to a well - known series like Naruto where Sakura is from, Sakura herself is likely to be one of the main characters. There might also be her friends from the series, like Naruto or Ino, who could play important roles in her journey of moving on.