Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 83 - : Transcendence Tribulation Stage

[I was reincarnated as an F-class Hunter.

…it’s a problem because they don’t treat me that way.]

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

After dying unexpectedly, she was reborn as a ten-year-old little girl in an ancient farming family, with barely a few rooms in her house and even fewer acres of land, not to mention a household of the old, weak, sick, and disabled.Fortunately, the elders in the family were kind and honest, her brothers loving and good-natured, and the neighbors harmonious and friendly. For Yang Mengchen, who had suffered from her relatives' torment and endured all sorts of mockery and scolding since she was young, this was truly a blessing from heaven.To support the family she loved, she resolutely took on the heavy responsibility of providing for them. If she, a modern corporate CEO who had once dominated the business world, couldn't feed a family, then who could?Pharmaceutical recipes, building greenhouses, opening storefronts... Not only did her family start living a comfortable and prosperous life, but she also led the surrounding villages in creating a magnificent pastoral scene!With money and fame, as she grew up, Yang Mengchen decided it was time to choose a husband, and thus, young talents from around the world began to flock to her.Who knew a grim-faced god of death would be blocking the entrance to the Yang family's home?“You're too tall, you're too short, you're too fat, you're too skinny, you're too dark, you're too pale, you're uneducated, you're deceitful and sly... All eliminated!”In a moment, the entrance was empty, and Yang Mengchen was instantly furious, “Prince, you've driven everyone away. How am I supposed to choose a husband now?”“I would like to see who dares to marry you. I wouldn't mind sending him to the Underworld as a groom!”Yang Mengchen...A certain Prince counted his merits on his fingers: “I have power, prestige, and substance, no concubines, no secret love affairs, no gallivanting— I embody the standards of a husband's three obediences and four virtues... In short, only I, this unparalleled good man, am worthy of you!”The guards: Oh wise and valiant Prince, is it really good to be so lacking in your role as a husband?

“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?