Building Harem And Dungeon With Monster Girls - Chapter 47. Naughty brother

You have all read about Self Inserts and their adventures. Some are good, some are bad. All of them are entertaining. What would happen if the person involved had a choice about who they could become? What would they do? Be good? Be Bad? Have more fun than anyone ever deserves?Join me as we explore a brand new Gamer-like existence with The Protagonist System!(all characters and likenesses are copyright their respective owners)Warning: I will not apologize that this story is completely wish fulfillment. It's a story and I'm going to have fun with it.

Xiao Yu transmigrated into an interstellar novel and became a mermaid Omega.
It’s just that he was unlucky, traveled to a desolate star that was about to be destroyed, and fell in love with the villain in the book.
what to do? I can get by, but how far can I go?
Ji Canghai was a five-star general admired by thousands of people, and also a notorious star thief. He is an invincible general on the battlefield and a nightmare for the enemy.
No one knew that this cold-blooded and merciless killing machine left the only softness in his heart to his little mermaid.
Due to genetic defects, the mermaid family will gradually become violent and eventually die without the help of mermaid Omega.
The mermaid race, which has not been born for hundreds of years, is miserable. Not to mention the shortened life expectancy, technology, culture, and mineral resources are also greatly restricted.
Xiao Yu, who came across time, became the mermaid’s only salvation by accident, and was also hated by the mermaid’s enemies.
When many forces are vying for him, only Ji Canghai will always stand by his side, never leaving him.
“Others look up to you and worship you because you are strong enough to protect or take their lives.”
“I am the only one in the world who loves you, not only because I yearn for your body.”

Content tags: Qiangqiang Interstellar Wearing Books Shuangwen
Search keywords: Protagonist: Xiao Yu ┃ Supporting role: Ji Canghai ┃ Others:

- Description from novelbuddy

{Information revealed!} {These are the benefits!!} {Do you wish to steal its skills and powers?} “What the hell is this?! What am I seeing?” A Kid was flabbergasted seeing all the information about anything he set his eyes on, from beasts, Plants, and even Nonliving things. {Do you wish to steal the artifact’s Ability?} The 1-year-old child who looks like a 10 years old smiled; “I don’t know what this is, but that didn’t mean I can’t utilize it... With these Eyes... I’ll be the youngest Emperor in the whole three Continents!!” ____________ Aaron was a 30 years old man, who had gotten reincarnated four times... He made sure to be the strongest in each lifetime... A General. A President. The Young Master Of a powerful family, Who Engraved his name on everyone’s minds. A Renowned Scientist, who created the first Youth preserving drug. _______ Such a Man got Reincarnated to his fifth Lifetime As The Cursed Child, The bringer of Death and Destruction. “Can you believe that?!” _____ Will Aaron Use his past experience and show the world his strength, or be The Cursed Child everyone is so terrified of? Let’s find out.

Born into a world of chaos and violence, young shapeshifter Rhishisikk struggles to survive. With the assistance of unlikely allies, he must learn to live among the most dangerous of monsters – human beings!