The Real Rich Daughter is a Future Genius Scientist - Chapter 399 - : Settled

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

After Amihan, politician by day and otaku by night, died from a political assassination, she got transmigrated as the saintess in another world. But she always felt like a fraud. Why? If she was the chosen one, why did she feel so rotten inside?Also, wasn't she atheist?However, her years of forced piety and suppressed desires ended in spectacular failure - her decapitation.Three days later, she woke to the sight of a worshiper bowing low. “Welcome back, O Sun Who Burns The World,” they said.'Wait. What? I'm not the Saintess? I was this all along?'Furious at the wasted years of celibacy, moral dilemmas, and suffocating oaths, Serafine made a vow: no more pretending. No more rules. The world? Hers to ruin. The people? Playthings.But wait. It was harder than she thought because...How in the name of the Goddess Aurelia was she supposed to have her debut when she was surrounded by a bunch of suspicious and crazy beautiful women who wants to hunt her down?!This was no different from her previous world!

I was a fool to believe that I, a mere red, could play God.A fool to think I could change the world, to balance evil with good.A fool to trust that those dearest to me would always remain by my side.In this world, where blood reigns supreme, a single misstep is all it takes to lose oneself.Ren, my dear little brother,I hope you still watch over me, even though I am unworthy.I’ll be with you soon—just wait a little longer.If you always want to stay up to date, find out when this book will be physically released, when the manhwa of Origins of Blood will come out, or see more content like novel art, then join my Discord server!

All the experts were defeated, I want both beauty and wealth! The Dragon King returns to the city, bringing an end to peace! This is the legendary tale of a cultivation fiend.