Entangled with An Evil Lord - Chapter 4 - Underestimation

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Lin Xinyan was set up a one-night stand trade with a stranger man to get the medical treatment fee to save her mother. That night took her virginity and got her pregnant. Lin Xinyan never touched her husband-Zong Jinhao, until one day she found out her crippled husband was involved with another woman. The woman met her and recognized that Lin Xinyan was the one that she set up for that one-night stand. When she knew Lin Xinyan was pregnant with Zong Jinhao's child, she tried to kill her and her baby with every means she could. But Lin Xinyan didn't know that the man who slept with her that night was her husband, nor did Zong Jinhao know the baby was his, until one day...

I am the sword.
Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!
I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power