Hi bsky! Twitter got an update on the CDs arriving at 0ts's place, and we spotted something in the special thanks! That cipher at the bottom is vigenere Cipher! With the key "divine" it reads, "long live the machine"
Of course Miss Rei! You'll live forever!

Machina Mori posted a link to a new website today (at machinamori.love) , and we found a secret message! Hello, Paulie!
Additionally, there appears to be unused fonts and animation capabilities. We'll be waiting patiently to see what this website becomes!