What is the appeal of triple penetration hentai manga?

The appeal of triple mix hentai manga lies in its ability to present taboo or unconventional themes in a visually stimulating way. It caters to a niche audience looking for something outside the mainstream. However, it's important to note that such content may not be suitable for everyone due to its adult nature.

I'm not sure specifically which 'first triple penetration story' you are referring to. It could be a very specific narrative within a particular genre like a fictional adventure where three elements penetrate something, but without more context it's hard to say.

Hentai manga penetration is characterized by very explicit and potentially controversial sexual depictions. This kind of content is often in a specialized category and should be approached with caution and awareness of its potential impact.

It can often lead to shock or surprise for readers. Such unexpected elements might be used to create tension or add an element of the unexpected to the story.

It's an adult and inappropriate topic that often involves explicit and uncomfortable content. Best to avoid such themes.