I couldn't say whether Adrian is aware of what's happening in the dreamscape, but certainly there seems to be a connection between his real world "Hands and knees" commands, and what's happening here.
Yeah, I noticed that parallel too. Perhaps the mind-link is feeding real-world Adrian's thoughts to Erin, and her spell is then reflecting them in the actions of dreamscape Adrian?
If Adrian is talking specifically to Erin in the fourth panel, what are Réka and Raven responding to in the previous (but linked) panel?
I don't know. Do women in the dreamscape need a reason to say "Tits and holes, Master"? It seems to be their default setting.