[From here]

Abandoning the relatively often traversed hallways, Seishin cautiously followed Silvestri-san into the Sun Room. The sky had cleared up, it seemed, the moonlight coming in from the glass ceiling seeping the lounge in an eerie glow. Though it was not the first time the novelist had visited the area during the night, the difference with its relaxing atmosphere during the day was a striking one.

The sun room was wrapped in complete silence, making the tense air more ominous than it already was. He looked around the area, but the shadows that stretched over the carpet and the walls did not stir at their arrival. Unable to find anything out of the ordinary, the novelist raised his gaze to balconies above them. Unfortunately, he wasn't able to make out anything beyond the railing.

At leas the coast appeared to be clear. For now.