1. The Japanese word that Zhang (who demonstrates bad English levels and can't learn Japanese at all) used is "Hikikomori"(in Japanese: ひきこもり or 引きこもり), its meaning is known as severe social withdrawal, or it is a total withdrawal from society and seeking extreme degrees of social isolation and confinement.
CAN YOU see what's the funny part? He himself is socially isolated, obsessed by stalking female here, commits crimes via calling others to use violence and to kill the female in question here, hallucinating... And this losercel, this joke of the nature, this lower than a slug belly creature, is projecting his abnormality to others.
2. He never met Non-SEO. What he said about his diet and mother is the damaged brain production, purely hallucinations.
You should know it.