The title: Pig's Chair

The first four items mentioned are important parts that make the human diferent from other animals, especiall the will. It seems to me that Kyo is creating a sort of Frankenstein, in which his attempts to make a human seems futile because he cannot replicate the same DNA as a human (DNA which cannot regenerate). Kyo tries to make a clone of himself (animalistic copulation with myself) but isn't too successful.

Even though he is nearly there -- this new creature actually knows pain, nausea and allergy, something happened. It seems that its blood carries a virus called Helderlan and it is causing defects.

I think at the end of the song Kyo wants to kill it off. Since this clone is not succesful, with useless DNA and a demand for blood, Kyo is "going to cause pain".

Glossary:

animalistic copulation: physical and specialised in having sex.