Actually I was thinking about this and while I donโt have a solid theory, my thinking is that it has to do with the lines of reality and virtual reality (AI) and critiquing our relationship with these things. In this csss, ARTMS is kinda the AI thatโs being worshipped by the fan
So I believe itโs being hinted at through the various storylines that Vivi is the Recorder of the LOONAVERSE, meant to take watch and record the events of the LOONAVERSEโฆher first recordings were in EILY with the cassette tappings (audio recordings) of LOONA 1/3