One way for a happy ending is that all the misunderstandings are cleared up. If there were any doubts about RM being the father or the reader's intentions, once they are resolved, they can start building their family. The group members of BTS could also be very supportive, and they all welcome the new addition to RM's life, making it a warm and happy conclusion to the fanfiction.
Well, sometimes in these fanfictions, a plot twist could be that the reader's pregnancy is part of a bigger conspiracy. Maybe someone is trying to blackmail RM or the group by using the news of the pregnancy. This turns the story from a simple love and pregnancy tale into a mystery - filled drama.
First, understand the character of RM well. Know his personality traits, likes, and dislikes. This will help you create a more believable story. For example, if he's known for his love of books, you can incorporate that into the plot.
You can try looking on fanfiction websites such as Archive of Our Own (AO3). They have a large collection of various fanfictions, and there's a good chance you'll find some rm x reader fanfiction there.
Often, BTS RM fanfic can have elements of self - discovery for him. He might be facing an identity crisis or trying to figure out his role in the changing world of K - pop. These fanfics can be very creative in how they portray his internal struggles and growth as a person and an artist.
There's this fanfiction called 'Star - Crossed Idols'. It delves deep into the challenges that would arise if an idol reader were to get involved with BTS members in a romantic way. It shows how they deal with media scrutiny, fans' reactions, and their own insecurities. It's a really interesting read as it gives a more in - depth look at the K - pop world from this fictional perspective.
One great 'bts x reader fluff fanfiction' is 'A Day with Jungkook'. It's really sweet as it describes a day full of small, cute interactions between the reader and Jungkook, like sharing ice cream and walking in the park. Another good one is 'Taehyung's Cuddles' which focuses on warm, fluffy moments of cuddling and soft conversations. There are also many on platforms like Archive of Our Own that are highly rated for their fluff content.
Another good one is 'Texting into Love'. Here, the reader is a huge BTS fan and randomly gets a text from one of the members. The way the author writes the texting conversations is so realistic. It makes you feel like you're actually reading real text exchanges between the reader and the BTS member, and it's full of excitement and anticipation.
I really like 'Suga's Secret Admirer'. This fanfic shows the reader writing anonymous love letters to Suga. The way the story unfolds, with Suga trying to figure out who his secret admirer is, is super engaging. It has a lot of cute and flirty moments that make it a great read.
One key event was his joining BTS and becoming the leader. Another was his development as a rapper, constantly improving his skills. Also, when BTS started to gain international recognition, it was a big part of his life story.