What even is delusional companion syndrome?

delusional companion syndrome is a POSIC term, it means that the beholder (a noun for people who has this syndrome) experiences object sapience or otherwise communicates with sapient objects. it is not a medically recognized syndrome but the existence of this term allows people to talk about delusions without as much stress.

for more info on delusional companion syndrome terms

on top of that, what even is posic?

POSIC is an acronym for perception of object sentience, individuality, and consciousness. essentially meaning that people with POSIC don't perceive things in the same way as others do,

it is also not medically recognized but it serves the same purpose as stated about delusional companion syndrome.

for more info on POSIC terms

nightmare ! cor/it

★ companion to the whole system (mainly yukki)
★ met at age 8 - 10
★ gets taken everywhere alongside pixel
★ provokes pixel every other second /lh
★ likes to tease people, sassy, blunt
★ communicates with emcom, audcom & telcom

pixel . . . exe/it

ʚ companion to the whole system
ʚ kyubey cat
ʚ 1 month since meeting
ʚ gets taken everywhere alongside nightmare
ʚ fights with nightmare a lot /lh
ʚ formal
ʚ communicates with audcom & telcom