I Got Rich in Period Fiction - Chapter 18 - Don’t Treat Bean Buns as Mere Provisions

In the beginning, when they all thought that she was “he”….

ML #1: We will be brothers for life!

ML #2: This time I’ll reluctantly let you have the #1 seat.

ML #3: I will properly repay royal teacher!

ML #4: Ah Rong is my closest little brother, I trust him.

Afterwards…

MLs: I’m seriously such a fool.

MLs: What do I do, I think I’m gay. I fell in love with my bro/rival/teacher….

Afterwards….

MLs: I’m straight! As straight as steel!

Note:
MC is a girl crossdressing as a boy, she knows how to fight, and naturally possess the gold finger halo from the author.

All the ML(s) is the same person, 1v1, sc, HE

- Description from Novelupdates

There was once an innocent little boy who was about to graduate high school. But suddenly, a truck ran him over before he could step foot in adult life.From his cruel twist of fate, he learns that after a person dies, they simply go to a result screen—a simple score system based on how publicly known they are.Being the nobody, he only had enough points to use the wheel spin—three shots that would determine his upcoming life.The wheel first landed on females, crushing his hope of keeping his gender. But he wasn't just going to give up so easily as the male section remained.The next spin didn't land on what he hoped for.With one last shot, he slammed the button and prayed. A miracle, almost as if god answered his prayer, appeared right before his eyes as it landed on a male.“Thank you, god! I knew you'd never give up on me like that——Wait, what do you mean that's a bug?”Before he could say anything, he was reborn into a fantasy world where magic and cultivation coexist.Want to find out what he got for his upcoming adventure? Well, let's just say he experiences the three stages of grief with his awful luck.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.