The lack of lights didn't quite faze him in the least, although it unsettled him slightly. A strange world, with strange people in strange places; he was only beginning to make sense of it all.

His hand automatically lingering on the hilt of his own sword, Okita nodded silently at the man's explanation, his own senses keeping in tune with his surroundings, silently watching for any form of threat or danger.

The young Miburo took a step towards the door, then paused and smiled pleasantly, azure eyes meeting the other man's gaze. "After you, Aizen-san." It was more than mere courtesy; he had no idea what was down there, and it would be prudent to have someone to take the lead, in case it was some kind of trap, or something equally annoying.