If he wanted, he could use that mark to do something right now.
But he quickly suppressed the thought.
Kushina was not someone who responded well to force.
With her temperament, if he really forced her, he would probably never win her heart for the rest of his life.
Now that Minato was gone, only Kushina and Naruto remained, a widow and her fatherless son.
He could take his time pursuing her from now on.
At that thought, he withdrew his gaze and did nothing.
Kushina did not notice anything unusual about him. She suddenly said:
"Xuandou, thank you."
Xuandou looked at her.
Kushina said earnestly:
"Thank you for sealing the Nine-Tails back inside me. Speaking of which, your seal really is secure."
"The Nine-Tails used to go on a rampage several times every month. It tormented me endlessly."
"But ever since you sealed it, it hasn't caused any trouble at all."
Xuandou smiled. His yin release chakra specifically countered the mental impact of the Nine-Tails' violent chakra.
It was only natural that the Nine-Tails could not leak its violent chakra through the seal.
So he nodded:
"It was no trouble."
But Kushina suddenly tilted her head, looking a little puzzled:
"It's just the pattern of this seal... why does it seem a little strange to me?"
"I went through all the Uzumaki clan's sealing knowledge Granny Mito left me, but I never saw a design like this."
Xuandou rubbed his nose and said casually:
"Mm... this is a ninjutsu I created myself."
"It was my first time, too, so I didn't have much experience. It's only natural that the pattern looks a little strange. As long as it works."
Kushina was immediately a little surprised. She had not expected Xuandou to be a genius who could invent ninjutsu as