Transmigrated into a reversed world - Chapter 187: The Mistress isn’t here?

After being awakened by a raging headache and faint memories of his past life, Tsubakihara Yuuji found a strange smartphone he had never seen before.Opening it, he found a single question that would change his life and many others for the better, forever.[Do you wish to join the Multiverse Group Chat?][Yes] / [No]

Leo, a common middle school student, was accidentally invited to a Wechat group full of legendary immortals, such as the Monkey King, ErLang Sheng, the Dragon King of the East. Since that day, his life completely changed. With the mystical items receive from his WeChat group,

- Description from Novelupdates

*Celeb: short for celebrity.A dull body, a timid and kind personality.The fat princess who was ostracized, Rubetria Diollus.“Oh my, the princess is at the dessert shop every time I see her. She eats so many sweets, enough to make one’s cheeks burst, no wonder she gets fat.”Princess Lillia, the ‘swan princess’ of the family, was always surrounded by friends, and Rubetria, the ‘ugly duckling’ who was bullied by them, was a loner.“Hey, you idiot. Our princess is angry. Eat it, quickly.”“Puhaha…!”“Oh my god! She really ate that!”Rubetria was tired of the bullying.Then one day, she said,‘I want to live a wonderful life like that woman for just one day.’180 degrees change.

“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?