I believe so. During her festival prep, the main comments on how sharp her knife is, and she says something like "yeah it can slice through skin with ease." Then iirc the main leaves the room for a few minutes and when he comes back, Yuri is hurriedly rolling up her sleeve. Based on that I kind of assumed she was a cutter even before the act 2 reveal. ---
You put your RESOLVE HAT back on, which conveniently is the same hat as your NORMAL HAT. {Drakeryn}