My Space-Time System - Chapter 584 War of Empires.

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

Raidorl Zain was born and raised as the second prince of the Kingdom of Zain.

Raidorl lived a peaciful life surrounded by his kind elder brother and loyal vassals, however his fate completely changed drastically during his coming-of-age ceremony when he was chosen to be the holder of “Dáinsleif “, the excalibur (sacred sword) of the royal house.

His brother the first prince started to hate him as an enemy that threatened his claim to the throne, his vassals and even his own fiancée abandoned him and he was banished to a town in develpment at the borders alone.

Since then, Raidorl has struggled to survive at the borders that were a monster’s domain, gaining the trust of those around him, he found a new happiness with his friends in that poor and harsh life.

However… his fate change once again when the neighboring Arsline Empire started to invade the Kingdom of Zain.

Forced by his brother to fight to protect the kingdom from the Empire’s invasion, Raidorl decides to plot a rebellion against the overly selfish demands of all those people that banished him.

When the exiled prince takes the sacred sword on his hand, the curtains of a new heroic legend will open!

The sacred sword legend that started with “Rebellion”, begins here!

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The legendary tale of the Xyrin Empire is not about its struggles... or the tempest of another world or some cultivation myth. This is a super-serious, super-hard sci-fi novel about saving the world.Take what I’m saying seriously...Not.Okay, this is just a funny story about a deceptive human emperor, bringing his bunch of slippery alien leaders to have fun saving the world every day.Chen Jun is an unmotivated otaku who turns into the Emperor of an ancient intergalactic magic sci-fi empire. With the aura of a stay-at-home dad, he is nothing but a middle-aged man who adopts a group of lolis... and an army of freeloading aliens that came out of nowhere. Er, what?Ahem. Really though, this is a super-serious story... a super-mega-ultra-serious sci-fi story.For the Empire!

I, Olga Rifald, have remembered the moment my engagement was canceled.

I had died in an accident and got reborn as the heroine in the Otome Game “Princess Road”.

The end of this engagement signifies the start of the game.

… And, if I’m careless, I will head towards the death route at full speed.

… Eh? Isn’t that dangerous? Ain’t dying dangerous?

I have already died in my past life, so at least here, I would like to live peacefully…!

… That being the case, I will do my best to aim towards the slowlife.

… Even though that was the plan!