It really is unfortunate that she's once again handcuffed to her sister. Properly assisting others the last time this happened had been a struggle, and now with them both being even further restrained, it was practically out of the question. That alone was enough for discomfort to well up in Shiori, for how could she fulfill her duty as a puppet when she's tangled up in her strings?
So when the pair of sisters wander into the dining hall and see their fellow unforgiven prisoner trying to do tricks with plates, Shiori's first thought is how difficult it'll be to pick up the broken silverware were it to fall. Perhaps there was a way to help Kaoru with something without her restraints getting in the way? In the hopes of that being the case, Shiori cautiously approaches with Nobuko in tow.

"Ah, hello Mr. Kaoru. Do you require any assistance?"