The one doing the hand stands of course. The other Nobunagas in other realities don't concern me, especially since history plays out differently in my own.

[Like he wouldn't betray Nobunaga, unless he absolutely had to, and his Nobunaga is aware of that.]

Besides, if other versions of me are so different from myself, then it's logical to assume that other versions of Nobunaga are different as well. Their ambitions may not even align with my own.