Then we saw Katasuke pointing out the difference between Mitsuki and Kawaki, and that is Mitsuki is a full-fledged synthetic clone of Orochimaru and was made scientifically but with organic material. On the other hand, Kawaki isn’t a synthetic human but a normal human being.
But Kawaki’s internal organs have been modified and made up of tech material or artificial materials rather than the organic material, unlike Mitsuki who is made up of organic material. I honestly got blown away with this detail. I mean there were rumours that Kawaki will be a synthetic human but fortunately, he is a human after all. We also saw Katasuke praising the creator of Kawaki. He was astonished by the advanced technology that has gone into making Kawaki.