The game starts with the protagonist being forced to marry the protagonist's ancestor, and I�

"Brothers, the good news is that I've been transported to another world, the bad news is that I've become the villainous Holy Son and am about to be attacked by all sorts of chosen ones."
"You're the ones who put on airs, you're the ones who slapped me in the face, and I get the worst beating?"
"Let whoever wants to be the villain, I'm not doing it!"
"..."
Su Shengyuan transmigrated into a book and became the villain's holy son. Thinking about the scene where he would be attacked by various chosen ones in the future, he decided to give up.
Fortunately, it was bound to the Super Generation System.
As long as you become an elder of the Chosen One and complete the Super Generation Advancement for yourself, you can receive various rewards.
[Congratulations, host, on becoming Chu Tiange's elder! You have obtained the Forbidden Ancient Body: the Prison-Suppressing Sacred Body!]
[Congratulations, host, on becoming Ye Bufan's elder! You have obtained the Supreme Imperial Weapon: God-Slaying and World-Destroying Spear!]
[Congratulations, host, on becoming Xiao Yunhuo's elder! You have gained an invincible talent: you can go toe-to-toe with anyone!]
【…】
It's not that the heroine with good fortune isn't beautiful enough; it's just that the elders of the chosen one are more cost-effective.
With my sister by my side, I have the world at my fingertips!
A woman three thousand years older than herself will be among the immortals!
I ask you, among all the chosen ones in the heavens and myriad realms, who dares to harm your ancestors?