SM is not a recognized genre within romance novels. Romance novels are more about the development of romantic relationships and the emotions between characters, rather than the themes associated with SM.
I'm not entirely sure which 'sm' tamil novels are popular without more context. But some well - known Tamil novels in general are 'Ponniyin Selvan' which is a historical epic. It might be that within the category you mentioned, there are some emerging or niche novels that are popular among a specific group of readers.
I'm not sure specifically which 'Sm' Tamil novels are ongoing and popular at the moment. But you can look for novels by well - known Tamil authors. Their new works are usually popular. For example, if an established author like Kalki Krishnamurthy were to have an ongoing novel under the 'Sm' category (hypothetically), it would likely be popular due to his reputation.
Consent is the number one key element. Without it, any bdsm activity is unacceptable. Another is communication. Partners need to talk about what they are comfortable with and what they are not.
One great 'sm dbz crossover fanfiction' is 'Sailor Moon and the Dragon Balls'. It combines the magical elements of Sailor Moon with the intense power battles of Dragon Ball Z in a really interesting way. The characters from both universes interact in a unique manner, like how Sailor Moon might react to the Saiyans' power.
To write a great 'sm dbz crossover fanfiction', don't be afraid to explore new relationships between the characters. Imagine how Gohan would interact with Sailor Moon. He's a smart and kind - hearted character in DBZ, and Sailor Moon is the leader of the Sailor Scouts. You could create a story where they team up to solve a mystery that neither universe could solve alone. Also, make sure your writing style is engaging and easy to follow so that readers can fully enjoy the crossover concept.
There are also some works by gay authors that focus on the emotional and relationship aspects of gay men, such as the works of Edmund White, which are more about the exploration of identity, love, and society.
You can try local libraries in Tamil - speaking regions. They usually have a collection of Tamil novels. Also, some online e - book platforms might have a section for Tamil literature where you could find completed novels.