In This Life, The Greatest Star In The Universe - Chapter 304:

Content Warning: R-18, Fantasy-Smut, Fetishes.Luke Hunter was once an average dairy farmer who lived in the countryside and supplied milk to a large company.After getting involved in a work-related accident, he dies a virgin and gets reincarnated into a fantasy world as the son of a very rich and powerful noble.Even though his noble family's domain is still in the countryside, this new life is nothing like the previous one.He has MoneyHe has Magic.He has a System.... And he has a big PP!Watch as Luke Hunter, the last born of the Hunter Noble Family, and only male heir to the Dukedom, begins to achieve his dream of tasting the breastmilk of women belonging to every single race in this fantasy world.The journey of Milk Harvesting is just beginning!

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

I, the mighty Telepath Starlord, got banished into the mortal world. The days in the mortal world are much better than those in heaven! Everything is here — money, authority and most importantly stunning beauties! I am from a rich family. Yes, I am indeed wealthy now. The kind of wealth where you would not want to displease me. Domineering CEOs, military big shots, business geniuses, you name it — I know them all! I know everything you are thinking about. You can’t defeat me anyway, how are you going to go against me? A century in the mortal world is only equivalent to a hundred days in heaven.
As an urban banished immortal, I will enjoy the heck out of my time in the human world and a huge commotion would arise in heaven!

- Description from Novelupdates

This novel is also known as Deep Ocean Survival: A Submarine From The Start

The whole people traveled through, and everyone was trapped in the ocean abyss two thousand meters below the alien ice layer!

There is only one basic pioneer ship at the start!

Food, oxygen, water pressure…
Unpredictable seabed turbulence…
The powerful and terrifying Abyss Siren…
Evil and mysterious parasitic flora…

With all kinds of potential threats that follow everywhere, this road to survival is doomed to be extremely difficult!

However, when everyone was desperate for the hardships of survival, Meng Lei was calm and composed.

Because he found that he could actually see the system prompt!

“At a distance of 500 meters, a shipwreck of an alien pioneer was found, and the supplies inside are enough to make you rich!”

“At a distance of 1200 meters, I found a doomsday worm, rush up and kill it, and you will become the brightest cub wandering in the dark abyss!”

“The distance is 4,500 meters, and the ruins of an alien civilization are found. The danger level is SSS! Why are you standing still, turn around and run!”

- Description from novelbuddy