From Londoner To Lord - Chapter 150:148. Discipline and Departure

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

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

In a world where dungeons were an essential part of it, Rein was trying to conquer as many as possible. They were the key to gain powers in the fastest possible way. So, to reach his full potential and to become the strongest, he became a great dungeon conqueror.With his trusty friends and lovers, he was definitely going to reach the peak alongside everyone. Join Rein and see how he went from strong to stronger and then the strongest.__________________1. The harem would not be too large(I'm not sure how many but probably just 4-5 main and few other here and there). All the girls would be getting their time and story.2. The story is starting when the MC is in the middle of his growth stage and not at the very beginning. But his beginning will be mentioned in the story in some form.3. I don't think I need to mention this, but obviously it will not have any NTR, rape or that kind of stuff. It is actually quite a wholesome story focusing mainly on adventure, action and bit of romance and slice of life.

A man dies and for some mysterious reason is given three wishes.The man, a pervert and even degenerate (just a little), asked to be sent to a world full of sex and lust, just for pure fun, unfortunately he was not very specific and ended up going to a world much bigger than he could imagine.His other wish was the System he read in one of the many stories he read, the System of [The Gamer], which due to various reasons, perhaps due to laziness of the person who created it, the System is not 100% identical.But this didn't affect our protagonist much, who had the opportunity to create his own appearance and decided for nothing less than a hot Futanari with a big dick!