This porn video tag refers to a scene featuring individuals dressed in costumes inspired by various characters from movies, TV shows, comic books, video games, or any other form of media. The cosplay element is often combined with a convention setting, indicating that the scene takes place during a gathering where fans come together to celebrate and share their love for different forms of popular culture. In these videos, you can expect to see performers engaging in sexual activities while wearing their costumes or changing into them at some point in the video. The theme adds a fun and creative twist to adult content by incorporating elements from various fictional worlds and genres.