My Dad, the Demon King, Is a Big Problem - Chapter 124

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

Ella always believed she was living a blissful life with a loving father, stepmother, and a doting husband. Even her half-sister seemed to treat her with kindness.But it was all an illusion. They were all after the vast inheritance Ella was set to receive from her grandmother!The so-called family affection and love were fake. Her stepsister and husband had been secretly together for a long time, plotting to seize Ella's fortune.On her birthday, they poisoned Ella’s drink and pushed her into the ocean.Ella has been reborn! Given a second chance at life, she won't fall into their tender traps again. Instead, she will rise and fight back, reclaiming everything that rightfully belongs to her!--------------------------------------------------------------------------------------Hello everyone, this is my new book. Feel free to check it out: Married First, Loved Later: A Flash Marriage with My Ex’s “Uncle.”: At her wedding banquet, a man claiming to be Selina's lover stormed in, brandishing so-called intimate photos and causing chaos.Selina immediately saw through this as a scheme orchestrated by her half-sister, Natalia. However, Selina's fiancé, Ryan, not only refused to believe her but also went out of his way to defend Natalia.It turned out that Ryan and Natalia had already developed feelings for each other in secret. Everyone—Selina's father, stepmother, and Ryan's parents—knew about their affair, except for Selina, who was left in the dark.Taking advantage of the situation, Selina's father suggested swapping brides, proposing that Natalia replace Selina and complete the wedding. Ryan's family not only didn’t object but wholeheartedly supported the idea.That was the moment Selina finally realized the cruel truth: her family and Ryan's family were nothing but wolves in sheep’s clothing!“Cancel the engagement? Fine. But let it be clear—I’m the one rejecting you, you two-timing, spineless excuse for a man!” Selina declared with unshakable confidence.Her gaze then swept across the room, landing on an elegant and distinguished man. She vaguely remembered him as Ryan’s younger uncle. Walking over, she boldly asked, “Sir, how about getting married?”The man raised an eyebrow, finding her audacity intriguing. “It would be my honor, madam,” he replied.

A man suddenly finds himself inside the world of his favorite game, Brave Hearts, after a night of gaming...Mistaken for “Raye Alvah,” the ruffian second son of a duke, he faces hostility from strangers and is publicly disowned by the noble family!And as he pieces together his strange new reality, he realizes he’s living as a minor villain destined to be forgotten after being defeated by the protagonist!And now...“Fuck this shit, why did it happen to me?”He must adapt to survive in this world.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates