MTL - I Have Unparalleled Comprehension - ~ I just want to write a book

Liu Ming, since he was young, lived in a savage prison named Savage Island where the prisoners aren’t controlled by any guard or security. When the island sinks due to “mysterious” events, only a handful of people survive – those survivors are then pursued by the government.

On the other hand at another place two practitioners are worrying about what will happen to them because the young master that they were supposed to protect had died.

Their young master looks nearly like our MC
What will happen?

- Description from Novelupdates

What would you say is the most valuable thing in this world?

Chase C. Miller is an actor with chillingly glowing purple eyes that could violently take one’s heart and a beauty that draws everyone’s eyes. After spending a heated night with him, Josh was imprinted behind his ear and he now had a secret that must never be found. It was none other than the fact that he was pregnant with Chase’s child!A few years later, Josh, who had been hired once again as his bodyguard, is astonished by his appalling character. Despite this, every time they meet eyes and stand close together, Josh cannot seem to be able to stop his heart from beating faster.“Oops, are you all right?”“You f*cking bastard, how dare you—”“Yes, I somehow dared to touch my client’s dick. I sincerely apologize.”

When not so normal man transmigrates into a novel that he didn't even remember its title, as a short-lived extra with immense potential, talent and perfect looks.If he has gotten only good stuff, he would die from joy, but nothing comes without a price. He lost most of his emotions, desires and sensation of pain.He thought it was a blessing and dreamed of just ignoring the bleak, apocalyptic future and doing what he wants without feeling an ounce of guilt. But after a few days, he understood that he would go mad because of the boredom that for some reason didn't reduce like his other emotions.Therefore he began to think about what to do about his problem.“Kill everyone to prevent apocalypse!” Though this is a good idea, why would i kill everyone because of the apocalypse? Although killing everyone would prevent the apocalypse, how the hell i will endure the boredom when all of my entertainers are killed?“Seduce and manipulate important people with his handsome looks and use them for his benefits.” Well, i can do this but it isn't enough.“Pamper his prodigy sister to make her dependent on him in the future to use her overpowered magic to find a solution to his curse.” Hmm, that's good, but this too isn't enough.Let's combine these last two.An apathetic brother who searches for a way to lift his curse while doing strange things to endure his boredom and a yandere sister who is trying to hold herself back from killing the woman/man who was seduced by her overly handsome/beautiful brother.