Yes, there are likely some out there. The RWBY fandom is quite creative and there are numerous fanfictions exploring different character relationships. However, the quality and nature of these can vary widely.
You can try some popular fanfiction websites like Archive of Our Own (AO3). It has a vast collection of RWBY fanfictions, and you might be able to find ones with this specific scenario by using the search function.
One interesting 'rwby roman torchwick fanfiction' could be about his early days as a criminal. It might explore how he got involved in the seedy underworld and formed his crew. Maybe it shows his first big heist and how he started to gain a reputation.
One common theme is redemption. Sometimes, fanfictions will explore Cinder's character in a way that she is redeemed through a relationship that involves kisses. Another theme could be forbidden love. Given Cinder's role as a villain in RWBY, a relationship with a hero or other character might be seen as forbidden, and kisses play a part in that complex dynamic.
You can start by looking on popular fanfiction platforms like Archive of Our Own (AO3). Just search for 'rwby cinder kisses' in the search bar, and it should bring up relevant stories. Another option is Fanfiction.net, but AO3 generally has a wider range of works and better tagging system for finding specific content like this.
Some RWBY - related forums might also have links to great 'rwby roman torchwick fanfiction'. The fans on these forums often share their favorite stories, and since they are RWBY fans, they might have some really good recommendations for Roman Torchwick - centered fanfictions. You can also ask for recommendations on these forums if you don't find what you're looking for right away.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). There are often a plethora of RWBY fanfictions, and you can specifically search for ones involving Cinder kisses. Fanfiction.net is also a good option. Just use the search bar and type in relevant keywords like 'RWBY Cinder kisses' to narrow down your results.
One possible fanfiction idea could be that Torchwick, as a teacher, has a very unorthodox teaching style. He might teach his students the ways of the criminal underworld not to encourage them to be bad but to make them aware of how it operates, so they can better fight against it. His lessons could involve practical examples from his own past misdeeds, which would both shock and intrigue the students.
One reason could be Cinder's character. She's a complex and somewhat mysterious villain in RWBY. People are intrigued by her relationships, and a kiss scene adds an element of unexpected romance or drama to her character arc.
The contrast between their characters. Roman is a sly and somewhat villainous character, while Ruby is a young, idealistic hero. This contrast can create really interesting dynamics in a fanfiction, like a battle of wits or an unexpected alliance.