Investment Return System, Start by taking Demon Empress as a Disciple - Chapter 185: Release

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

[Female Protagonist Synopsis]:Mia Ginger experienced a trial marriage.Before the trial marriage--Dad said: “Koa Jackson is a postdoctoral fellow, watch your words and deeds.”Mom said: “Since you don't like him anyway, why not let your sister have him.”Brother said: “Shameless, stealing big sister's beloved.”Sister said: “Why didn't you come back a month later!”Mia Ginger didn't understand, she was already seventeen years late, late enough that the whole Ginger Family completely forgot her existence, late enough that the adopted sister occupied seventeen years of affection, late enough that the man she was betrothed to almost became someone else's groom, how much later should she be?Mia Ginger curved her lips: “Grandpa Jackson, I will strive to be worthy of Brother Jackson.”She thought it was out of spite, unaware that upon meeting him again, she discovered he was the big brother lingering in her heart for nearly ten years.At two years old, she got lost, falling from a Rich Family's Daughter to a street beggar, picked up and raised by a masseuse for seventeen years, and upon returning home, she was determined to become the first socialite in upper-class society.[Male Protagonist Synopsis]He is Koa Jackson, the third son of the Jackson Family, elegant and upright, with outstanding looks, the youngest neurosurgery professor in the domestic medical field, known by all.Simply because, at twenty-seven, he remains single.All young ladies want to marry into the Jackson Family, unaware the nobleman was betrothed since birth.In his entire life, he need only remain pure, waiting for one girl to grow up.Before the trial marriage, Koa Jackson had seen his future bride twice.The first time, he was eight, she was eight months. He stood by the bed watching her crawl with her little bottom, finding it amusing, he wrote his name on her sole and said with a smile: “Brother will stamp you.”The second time, he was eighteen, she was ten. He stood by the road watching her sneakily stealing, feeling pity, he took her hand and gave her a hundred yuan, helplessly saying: “Not stealing is a good child.”He's always remembered the first time, long forgotten the second.Unexpectedly, the little girl whose foot he tickled at home always regarded the second time as her life's salvation.[He couldn't partake in her turbulent past, but wholeheartedly takes on her prosperous future; companionship is the most touching confession.]

In the Great Chu Kingdom, evil spirits are everywhere.

In this world, there are warriors, Taoists and Buddhas, monsters, and weirdness.

Xu Bai came across time, the hell started, and he was in the cell of a bandit village.

When the danger came, he found that his understanding was not quite right.

[Observe the nameless knife marks on the wall, and comprehend the bone-breaking knife technique. 】

【Observe the forging book, comprehend the forging method】

[Observe the hexagram scriptures and comprehend fortune-telling. 】

When entering the bandit village, Xu Bai tied the chain with his hands, and when leaving the bandit village, Xu Bai carried the ghost knife.

“In this world, there are many things that can be seen. I just know how to observe better than you.” Xu Bai laughed.

- Description from novelbuddy

It was only after Su Yayan's death that she realized that she was a malicious cannon fodder female character who became a scapegoat in a Mary Sue story.