10 nen goshi no HikiNiito o Yamete Gaishutsushitara Jitaku goto Isekai ni Ten'ishiteta - Volume 11, Idle talk of an idle talk – Tale of a certain girl

Instead of causing chaos with my knowledge of the original work, I assisted the protagonist.

I successfully completed the story and now planned to retire and live peacefully.

However, it seems the protagonist still needs my help.

An academy professor? That’s nothing much.

But why is the state of the academy so strange?”

Died a Hero, Reborn as a Demon...

The strongest Hero in the world killed the Demon King, the most powerful demon ever to appear on Earth. He achieved something which no other hero could ever do.

But alas, the Hero never expected his own girlfriend, his own friends, and the organization he trusted to suddenly turn against him and try to kill him.

It was the cruelest blow he was ever dealt in his life.

He still didn’t give up and tried to stand his ground, but they had come prepared, and he was caught unawares in their trap. He fought to his death only to find himself transmigrated into a demon’s body!

But who would have thought that he would be the husband of the Demon Queen!

However, life as the royal consort was not easy at all. So read to find out how he is going to overcome those trying to step on him and finally get his revenge.

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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

When opened his eyes, Lin Tian realized that he was reincarnated into the modern cultivation world.

Seeing this person's memory, his expression became gloomy because his identity is a young master from a rich family.

Knowing this, some people might be happy, but not for him.

He had read many modern cultivation world theme novels.

Doesn't the young master like him is a stepping stone for the protagonist, and had a tragic ending?

Just when he was really desperate, suddenly the system came.

[Ding, congratulations to the host for binding the destiny villain system]

[Beginner's prize has been distributed]

[Congratulations to the host for obtaining a martial emperor level cultivation base]

Cool, just slumped, but now invincible?

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First of all, this novel doesn't have any elements of a brainless Harem, our MC will not be like other MC who every time he goes somewhere, he will bring another woman.