My stepsisters are sexy demons, and I must protect them - Chapter 7: Unexpected encounter in High School courtyard

During the Second World War, Kyle looked at Captain America standing straight and proud before him. Suddenly, a series of skill cards appeared.「Pistol Master」「Martial Arts Master」「Shield Defense Master」「Super Soldier Serum」Which skill card do you wish to extract?“Wait… what? This golden finger… you must be pulling my leg! Not only skill cards but I can also extract super-powered skills like the Super Soldier Serum? Mother of God… what is this?!”(Hey Guys, I am retranslating this novel here and I will try to quickly reach the chapters that had been already translated on other websites. For everyone's confirmation, I am translating it with my own efforts and I am not copying it from other websites. So give me your reviews and tell me if you like it)

“You might be my wife, but I shall not lay a hand on you.”

“Is that so? Then can I lay my hand on you?”

“……Pardon?”

***

Around 20 years in the future, the world is destroyed due to the invasion of demons. There’s only one way to prevent the destruction.

Marry the Duke known as the Monster and give birth to his child who will grow up to be the future warrior.

“Mielle, that marriage, I’ll do it instead.”

Yelena, who saw the future,
decided to get married to the Monster Duke and give birth to his child to save the world, however…

“Are we going to keep being idle like this?”

She thought she would be able to get it over and done with (?),
but her husband’s impregnable fortress-like defenses are beyond imagination!

“I told you to strip! Why aren’t you stripping?! Is it a part of your skin?”

Can Yelena safely give birth to the warrior and save the world in the end?

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