MTL - Twilight Boundary - Chapter 86 Special training

Li De accidentally gets transported into a virtual game that won’t be released for another year. He becomes the vampire's progenitor, an ancient being hiding among humans to learn magic, and gains control of an ancient castle along with 200 bloodline descendants.Though he can still return to Earth temporarily, Li De faces a major challenge: in one year, the game’s public beta will begin, and players will enter the world. As a vampire, he must find a way to grow stronger and prepare his race to survive the impending arrival of these players, who could become a massive threat.This is the story of how a vampire progenitor and his descendants team up with humans to cultivate resources, master magic, and build a thriving community in order to withstand the coming storm.---Tags: Aristocracy, Brainwashing, Elves, Fantasy Creatures, Fantasy World, Game Elements, God Protagonist, Goddesses, Gods, Handsome Male Lead, Interdimensional Travel, Kingdom Building, Loyal Subordinates, Magic, Male Protagonist, Mind Control, Modern Day, Race Change, Shameless Protagonist, Slaves, Vampires, Mages.

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

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