[@Masaki Haruna] This might be an odd question, but how do you mean Ria's sword will be Yin Release, I get your example with Sakura but how would it manifest with Ria? 

Just like Sakura's punches, making Ria's sword more of an explosion stick? Make Ria's sword cool and black with streaks? Or make it more indiscernible and esoteric, like making the opponent think the blade is in one place when they're actually looking at an after-image making the opponent constantly one move behind? Or like Shikamaru's and how it paralyzes?

...

I just put far too much thought into a character and moveset that isn't even mine :P

P.S. The Uchiha's are actually a clan of Batmans :3