^I agree. Kuu only uses it every now and then, and given this is a heavy electronic track it kinda works with it, although it is dripping with it.
I quite liked her expression when she got ***** slapped, it was kinda like she was saying "Oh you hit me again" with the kinda pouty face like it happens all the time, which wouldn't surprise me given the story background. Also she smiled when he yanked on her necklace, so it seems like she's used to the abuse. XD