It doesn't look like it's abandoned, so we may be trespassing.

[ They are absolutely trespassing, and it's rich of her to say that when she tried to kick the door down mere minutes ago, but if Shinobu cared about the law, she wouldn't have a sword. ]

There seems to be another room over here. I'm going to take a look.

[ She scoops up the cube before she moves to push (pull? IS IT A PUSH OR PULL DOOR) open that slightly ajar door. ]