Crazy Sasuke...I like that.
Anyway, the NaruSaku part is plausible.
Knowing kishi, it won't happen like that. Let's just agree that this'll be one fun ride XD:
Madara: Sasuke...that's enough for one day i'm afraid....
Sasuke: *glares at where he thinks Madara is*...and I should listen to you why?..
Madara: simply because you'll get killed if you fight now..
Naruto: ...Sasuke... tell me what the hell has this monster done to you?
Sakura: ...
Sasuke: he's done nothing... How many damn times do I have to tell you all?! THIS IS WHAT I WANT! NO ONE CHANGED OR CAUSED IT BUT THE ASSES WHO MADE ITACHI DO WHAT HE DID TO OUR CLAN! I HATE THEM! THEY'VE BEEN SITTING IN SATISFACTION FROM WHAT THEY'VE DONE FOR TOO DAMN LONG, AND THEY'LL BE DEAD WHEN I GET TO THEM! *eye bleeding more* DAMNIT *holds it, groaning in pain*
Madara: is my point proven enough for you, sasuke?
Sasuke: what point?.. YOU HAVE NOTHING!
Karin: *watching*..
Naruto: *standing there, not believing what sasuke's saying, the full truth of his intentions finally sinking in*... *thinks for the hundreth time* Sasuke... what happened to you?..
Sakura; *looking at ground, unable to cry anymore from plain shock*
Madara: I'm no longer giving you a choice... *zooms Sasuke out of there*
Karin: ...*lays on ground slowly*..
Naruto: NO! *starts running towards where Madara was with sasuke*
Kakashi: *holds his shoulder*.. theyre gone naruto..*breathing heavy, exhausted from the Mangekyo*
Sakura; *looks up*...Naruto...
Naruto: *looks at her*.. *walks away*
Sakura: ...*looks back down and whispers* i...im sorry Naruto...
Random prediction xD