MTL - Those Years When I Was Cannon Fodder - Chapter 17 you guess?

In China’s modern martial arts society, Wu Xinghe was history’s youngest grandmaster of martial arts. He was invincible. Because of a strange incident, he was reincarnated as Qin Wushuang, a poor aristocratic boy in an entirely different world with its own set of rules. With his strong will and passion, he began his journey to pursue the highest peak of martial arts!

The heroine has no cp
———————————
Yi Linglong, no one has seen her face, no one knows her gender, but there are rumors in the rivers and lakes that this is a man who looks like a good woman.
His martial arts are strong, cold as frost, and a dagger seems to be able to kill all living beings in the world.
He kills one person in ten steps and does not stay for thousands of miles, but he has a maverick that is different from other Jianghu people.
His story can be said for three days and three nights. As a unique existence among assassins, he has become a legend. …
“I told you about the deeds of my male god, did you hear it?”
“I heard, I heard. Is there anything else? I’m going to collect sauerkraut.” Hua Rongyue waved her hand and turned away.
“Hey? Why is it not like you? Is it interesting, cooperate with me anyway, what is my male god doing now? You can figure it out, let me figure it out.”
Hua Rongyue, “…”
——If my calculation is correct, your male god estimates that 80%, maybe, is now accumulating sauerkraut in a small medical hall…

Content tags: Jianghu grievances, disguise, misunderstandings, women disguised as men
Search keywords: Protagonist: Hua Rongyue (Yi Linglong) ┃ Supporting role: People in the Jianghu ┃ Others: Hua Rongyue, Yi Linglong
One-sentence introduction: rushing through the rivers and lakes~

- Description from novelbuddy

In a realm rife with war and conquest, only the strong and cunning may survive.Planar travel has become the determinant of strength.Nobles and powerhouses travel the myriad planes, invading and plundering them to increase their personal strength, grow their military might and fund their endless wars.A systems engineer and lifelong web novel reader is reborn as Alex Fury—a young noble deemed talentless by his own family. Lacking his family’s bloodline powers and warrior potential, Alex is exiled to a Mage Tower.His fate is clear: master magic... or lose everything.No cheat system. No divine blessing. No hidden power.What he does have is a mind sharpened by logic, engineering... and stories.Blending the System Engineering and web novel knowledge of his previous life with the Rune knowledge of his new world, Alex Fury creates a revolutionary new form of magic unique to him...RuneTech Magic.From Runic Artificial Intelligence to an Interplanar communication networks; From Rune-powered super soldiers to Rune-crafted Power Armours (and mechas), from new energy sources to Perpetual Energy.With this marriage of science and technology, Alex will usher in advances previously thought unattainable in his new world, and his old one.This is a tale of power, rebellion, ambition- and legacy.Empires will rise to crush him. Worlds will try to deny him. But with intellect, invention- and just a spark of madness, he will carve his name into history.Witness the birth of the Rune-Tech Sage, and the beginning of a legend that will echo across worlds.

He, without doubt hates her.
What did she do to deserve his hate?
The person who she treated well like a brother did not even bother to notice it...

Years passed…

He needs to get married.
He needed a wife.
So she offered herself.
It was a marriage that will benefit both parties he said.