Yes, there are likely some out there. You can start by searching on major fanfiction websites like FanFiction.net or Archive of Our Own. Just type in 'Harry Potter Archangel Primal of Jell' in the search bar and browse through the results. Some might be really creative and offer unique takes on the Harry Potter universe combined with the concepts of archangels and 'Primal of Jell', whatever that might be in the context of the story.
Well, you can expect a blend of the magical world of Harry Potter with elements related to archangels and the 'Primal of Jell'. It might involve characters from Harry Potter having interactions with archangel - like beings or being influenced by the power or nature of the 'Primal of Jell'. There could be new magical abilities or plot twists that come from this combination.
The main characteristic of this type of manga is the combination of furry creatures like dragons and adult content. It may have complex storylines or just focus on the sexual encounters. But be aware that it's considered a niche and potentially controversial genre.
London caricatures often exaggerate the features and expressions of people or things to create a humorous or satirical effect. They might focus on famous landmarks or typical London scenes.