Supreme Harem God System - Chapter 2008 The Eternal Warden.

In the Cyberpunk era, the Corporate Alliance dominated the world, with humans and witches alike serving as corporate cash cows, enslaved by advanced technology.Changes were thus unveiled, and Xu Yang, refusing to become a corporate slave, resolved to flee. He intended to rescue the adorable yet powerful witches from the clutches of the giant corporations, embarking on a path of innovation!

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

Traversing to another world, Lin En is captured right from the start. The captor is the antagonist princess from the original work, intending to control him by using him for hypnosis experiments. In a critical moment, Lin En comes up with a quick-witted plan, feigning the success of the experiment and deceiving her with his acting skills. But this was only a temporary measure. Because in the original story, her ending is very tragic, and none of her associates meet good ends. Hence, Lin En must pretend to be under the hypnosis while secretly being ready to flee at any moment. But gradually things start to take an unexpected turn. ... The Princess’s Diary [The experiment was a success!] [As the sole specimen, I’ve decided to keep him by my side.] [Due to the curse mark on my face, I am loathed by the public, but he says I’m beautiful.] [I’m happy because people tell the truth when hypnotized.] [Alone with him, I impulsively kissed him.] [The feeling was strange and made me lose my composure, fortunately, he won’t retain any memory of it after the hypnosis is lifted.] [So, it’s okay to be a bit bolder, right?]

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.