I'm an Ordinary Returning Student at the Academy - Chapter 162

Yuna, a 15 years old girl started playing the world’s first VRMMO. She has earned billions of yen in stocks. She confines herself in her house playing the game without going to school. Today, a huge update has arrived. She obtains a non-transferable rare bear outfit. But the equipment is so embarrassing that she can’t wear it even in the game. Furthermore, when she answers the survey regarding the new update and relaunches the game, she appears in unknown forest in a bear outfit. Where is this? Email from God? Different world? If she wears the bear outfit she’s a cheat, if she takes it off she’s a normal girl. Her adventure starts just like that. Yuna began doing as she liked.

This novel is also known as From The Start, I Traded A Galactic Warship

After getting a trading platform three thousand years later, everything in the world has become an antique, worth a thousand gold.

But it was also learned that three years later, aliens invaded, human beings fell, and the dark starry era began.

In this era of unprecedented change in tens of thousands of years.

Shen Shi decided.

First trade a space battleship, and then talk about it.

then–

Battleships come to the world from outer space! Global shock! Starry Sky Era, open in advance!

- Description from novelbuddy

A world consumed by boundless, unending oceans.His sole companion was a mysterious Orb, a cryptic guide capable of leading its holder across dimensions.His goal? Infinite planes, where the sea of stars lay in wait.PS: The MC's main world is an endless ocean similar to One Piece, but it is not One Piece.#Slow-Paced #Slow Growth

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates