"Mom, I'm here! We've already taken care of Teuchi over there! We're here to help you!"
Naruto ran toward where Kushina and Ada were fighting, shouting as he ran.
Both women's expressions changed when they heard Naruto's shout.
Kushina had not expected Naruto to be such an idiot that he would yell something like that right in front of their opponent.
Kushina could tell that the only reason she had lasted this long against Ada was because Ada had been holding back.
It was not that Ada subjectively did not want to hurt her, but rather that Ada's perception and personality had created this situation.
Ada was like a hothouse flower, a sensitive and fragile overgrown child.
She would overreact to any response from the outside world, including the consequences of her own actions.
So even though she was fighting Kushina, Ada had been unwilling to go for the kill, because it would make her feel awful and uncomfortable.
If her younger brother Daemon had been here, Ada would have gladly let him kill Kushina.
But now that she had to do it herself, she resisted.
Still, that resistance had its limits.
The moment Naruto said that, it meant Ada was about to snap, and her bottom line was about to be crossed.
Sure enough, when Ada heard Naruto say they had already taken care of Teuchi, she froze for a moment. Once she realized Teuchi was Ōtsutsuki Isshiki, she instantly snapped.
She had gone back in time to stop Ōtsutsuki Isshiki from being killed, which would cause Kawaki, and even herself, to disappear.
Now she understood why they had suddenly attacked her when she had clearly done nothing on the surface.
So it had all been to disable the Omnipotence she had placed on Isshiki, then seize the chance