While many EroGuro artists create works that could have real-world analogues (S&M, mutilation, etc.), Machino's images of, for example, girls with dozens of phalli sprouting from each of the dozens of breasts that cover their body, are not something any viewer of his work could ever see in life, and thus the issue of "what is pornography?" strongly preempts the issue of "art or pornography?" in some of his work.
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Most of his work has emerged within a paradigm of Hentai manga and images, but some has appeared in galleries; several of his pieces were part of Takashi Murakami's traveling Superflat exhibition.