Novel's Extra: I Awakened The Strongest Physique From The Start - Chapter 266 - 267 - Merged Floors 1.

He wants indoor plumbing. They think he’s conquering the world.Arthur was a genius engineer on Earth, capable of optimizing global logistics and automating entire factories. But he lacked one thing: common sense. Now, reincarnated as Arthur von Pendelton, the six-year-old son of a powerful Duke in a medieval fantasy world, he faces his greatest challenge yet: Drafts.Armed with the T.E.C.H. Interface (Trans-Epochal Construction Heuristic), Arthur can analyze magic like code and build modern technology from scratch. His goals are simple: Double-glazed windows, hot showers, and a toaster that doesn't burn the bread.But there is a problem. The people of this world don't understand engineering.He builds a high-pressure boiler for a bath; his father thinks it’s a “Dragon-Breath Siege Weapon.”He creates a hydroponic garden; the local church declares him the God of Harvest.He ignores a Princess's flirting to analyze the thread count of her dress; she thinks he is playing “hard to get.”Follow Arthur as he accidentally industrializes a kingdom, terrifies his enemies with home appliances, and remains completely oblivious to the fact that he is becoming the most powerful man in history.All he wanted was a warm bath.

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

Forget it, whatever! Since they already claimed that she was a temptress that wrecked the country, she shall overturn the world into complete chaos starting with her beguiling sister, her malicious stepmother, her cruel lover and her heartless family. Let her end the lives that Yama refused to end.

She was a pawn in her past life. In this life, however, the world was her chess board. With an alluring smile and a charming figure that enchanted the entire nation, the red-clothed woman wrecked chaos among the lands. She was a vengeful spirit from hell, determined to make those who wronged her pay in blood.

“I want those who owe me a life debt to hold their hearts out in front of me. I want those who looked down on me to only be able to admire me. I want Lord Zhong Zi to shiver when he sees me. I want to step on this splendid river and mountains!”

— — —

“You are a temptress and I am a thief.” His robe was as dark as the night and his gaze was as cold as the Northern Star. “A perfect match.”

Her red dress was akin to fire, but her heart was the coldest ice in the winter.

He was stoic in his black robe, yet he was willing to warm her frozen heart.

In this life, the elegant man seemed like a snowy bamboo grove with tall, chilly mountains, walking step by step towards her like an unstoppable force.

“Ruan Ruan, if you hate the world, then I shall conquer the lands with you.”

“What if I love the world?” She asked.

“I am the world, so you can only love me,” he answered.

- Description from Novelupdates

In her past life, Qiao Qiqi was brainwashed by a heartless man and a shameless woman, leading to the downfall of her family. Reborn, she kicks scumbags and make them regret the day they crossed her.Qiao Qiqi's mom: “My Qiqi is gentle and timid, don't scare her.”The gangster whose limbs were broken by Qiao Qiqi: “????”Who... is really scared here?Qiao Qiqi's dad: “My Qiqi has no particular skill, she'll just inherit the family fortune.”Big shots from all circles: “????”Indeed, she has no 'one' particular skill—she's good at everything!Back in high school, Qiao Qiqi was waiting for Gu Shili to transfer to First Middle School. In her past life, he helped fulfill her last wish; in this life, she's determined to repay his kindness.Gu Shili was brought back to the country by his family early. On his first day at school, he sees a fight outside—more precisely, a pretty girl is single-handedly beating up the opponent!Qiao Qiqi kicks the last piece of trash to the ground, her foot ruthlessly stepping on the opponent's face. Her fair and beautiful face is both stunning and spirited!She lifts her head to meet a pair of 'startled' black eyes.Qiao Qiqi: “????”Gu Shili: “...”“Um... if I say I'm just playing with them, would you believe it?”Gangsters: “...”

Death is sometimes not the end!
Dead prison!
This is a magical prison. It has the ability to draw the souls of the dead people of the world, and it also enables people to gain the ability of the souls of the dead.
When Qin Song woke up, he was shocked to find that he had come to the world of One Piece, and even more surprised that he found a prison in his body…..

- Description from Uukanshu