Black Zetsu was somewhat resentful that his mother had not fully trusted him and had even arranged a backup plan like Seiya.
But in his current state, other than silently accepting all this, what else could he do?
Even if he wanted to defect now, would Madara Uchiha and the Five Great Ninja Villages forgive him? Obviously not.
Besides, he had no reason to defect. He had always considered Seiya an enemy, and because Seiya was so powerful and mysterious, Black Zetsu had constantly worried whether their plan could succeed.
But now, what the hell was there to worry about?
The enemy's strongest existence was their ally. With his mother being unsealed this time, victory was practically guaranteed!
"Ka... Big Brother! There's something I don't understand. Since you've always wanted to help Mother break free of her seal, why didn't you act sooner?
Unlike me, you didn't inherit any of Mother's power. With your strength, you could have moved the plan forward, couldn't you?
And if I remember correctly, you sabotaged my plans several times before..."
Black Zetsu was someone who knew when to bend and when to stand firm. Once he basically believed Seiya's identity, he immediately decided to cling tightly to Seiya's thigh, even changing the way he addressed him to Big Brother.
Hamura Otsutsuki and Hagoromo Otsutsuki had long since kicked the bucket. Once Mother returned, they would inevitably be Kaguya's only two children.
Seiya had both strength and merit. When the time came, he would surely be more favored by Mother. Black Zetsu felt it was necessary to build a good relationship with him now.
"To have survived from that era to the present like you, I used certain methods as well.
Whenever my lifespan reached its limit, I used a special forbidden technique to reincarnate