Generally, a snake and a rabbit getting married is not a common or accepted concept in manhwa. Manhwa usually follow certain logical and cultural norms, and inter-species marriages like this are rare and often not part of the typical narrative.
Hard to say. A lot would depend on the themes, art style, and how well the relationship is portrayed in the manhwa. Sometimes it could be a yes, but other times, not so much.
Definitely not. Manhwa comes from Korea. It has unique features that set it apart from Chinese comic works in terms of art style, storylines, and cultural influences.
Sure is. Manhwa specifically refers to comics created in Korea and has its own unique style and characteristics compared to comics from other countries.
Onepunchman is definitely not a manhwa. It's a Japanese manga that features an interesting plot and distinctive characters. The manga has been adapted into various forms of media.