[Old saying of Machiavellianism + revenge and sadomasochism + yandere + empress + strong confrontation]
"Shen Ruyi, you are just quicksand on my fingertips, why bother forcing me?" Pei
Si Yu looked at her coldly, his tone as gentle as the wind.
She raised her head and chuckled, the fire in her eyes not extinguished: "But Pei Siyu, it will hurt even if sand embers get into your eyes."
"They all say that the wind has passed without a trace... But Pei Siyu, I want you to remember-"
"The most painful thing in the world is never the burning body..."
"But the embers... Burned through the soul bit by bit."