meme50superfan wrote...
What is this exactly?
No clue about this volume in particular, but Shintaro Kago is an author known for his mindfuckery, mostly with short stories.
If you check his works, you may find he is catalogued as an Ero-Guro author, although this isn't the totality of his work.
His works may be mindfuck but not entirely senseless. Some of his works have him playing with the rules of comics, or playing with a concept, others have political meanings.
Out of doubt, I always classify him as a horror author, if only for the body horror he tends to portray.