Extra's Harem: Invincibility Starts with Marriage and lots of Children - Chapter 6 - - In a Prison cell

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

Tian Han was a young boy who admired immortals. His dream had always been to become like them—flying on swords, using spells. But he was just an ordinary village boy, and he didn't have much of a chance for that. So, he always read books about immortals, and his admiration for them grew more and more every day. One day, he heard that he had a chance to become an immortal.“You can become immortal.”This was the sentence where his adventure began. Yes, he could become an immortal. And so, his journey started, and he found himself in the ruthless world of immortals.

Reborn into something new and in a new world, Morgana found herself with no memories about her past. She lost them when a powerful entity took pity on her and offered her the chance to be reborn in her own primitive world.A letter left by her past self told her about... well, nothing really. The old Morgana was glad when she learned that she would lose her memory due to being reborn as part of this deal. She accepted without hesitation, especially after the powerful entity explained everything in detail.“WHAT!” Morgana exclaimed, reading the letter. “We’re both BIG perverts! And what do you mean by spreading my legs and pushing out many babies?”“EXPLAIN!”Reborn with stunning silver hair, crimson eyes, and a Futa, Morgana now belonged to a new race called Breeder.Follow the journey of Morgana as she tries to survive in this primitive world, with a LOT of Breeding.…[Warning: This story contains heavy R-18 sexual content, including pregnancy, futanari, Incest, breeding, and more. Read at your own risk.]

“No matter what I would do, my actions would inevitably change the story. I knew this already.... But what do you mean that I changed the plot even before reincarnating in the novel!? ”

...

Should I follow the plot of the novel? Or should I do as I wish? Maybe I should follow the plot while making changes favorable to me?

These would be the first questions of those who reincarnate inside a novel. However, due to a certain event, Sol didn't have that luxury. He had already influenced the plot.

The change he created wasn’t small either. If nothing was done, the novel would head for a 100% certain bad end: Destruction of the multiverse.

Luckily for Sol, the plot of the novel had yet to begin. It would take a few months before everything starts in earnest and all the dimensions combine, bringing along the dying worlds and their catastrophes for the Great Merge.

“Yes! I will enjoy my life to the fullest!”

Calamities? Future Catastrophes? Inevitable Destruction?

Sol doesn't care for those things. He has a single aim, to live a life that would make even the Gods jealous!

Be it the hero who brings hope, the villain who crushes the protagonist, or the enigma who controls everything while staying in the background. Sol will switch to any role that benefits him.

But will everything go as he has planned? The longer Sol lives in this new world, the greater mysteries he comes to face. To start with, his new identity itself is….