Is this actually happening? Is she stuck in her own head? Where is this place? Also, why does Cait hardly ever get to drive her own fun. Laura's had a turn, Dani's making decisions. Erin gets the wheel often. And yet Cait for all her latent Buffyness is often the one being acted upon.
Dream sequence would be my guess, unless we're taking "every type of mc exists in Wilmot" to it's extreme. Caitlin's designated victim status has been around since #006, and if getting mc'd is cumulative, its no wonder a single, half-in-jest "command" from Hitomi would send her into a
Drains-style reverie.