[action]
You're a liar. [ he doesn't need to hear any more. this man may not even be from the world the other Subaru is from. he could be a completely different alternate.
Kamui doesn't care.
some things don't change and, as far as he's concerned, any Seishirou is a threat. and he has another opportunity to take care of that threat. and he can't afford to fail this time.
he launches forward, hand poised to stab right into Seishirou's chest. ]