Becoming a Sage Starts From Condensing the Essence of Time - Chapter 243 - : The Young Man Observes the Ages and

It was an enormous tsunami that completely covered the sky, and due to its dark water, the sun had been blocked out. A sense of despair ran through everybody as they looked towards the peaked wave quickly crashing down. But was I the only one who noticed the massive sea monster lurking towards the front of the wave? CRASH [Requirments Met] [System has been chosen] [Your god has been selected] [System Granted] [Poseidon System is being installed]

In Ten Heavens Domain, full of respected powerhouses, juvenile Ling Tian accidentally obtained a mysterious iron sword. He refined the Supreme Martial Dao, studied the Divine Spirit Array Laws, fought Ten Thousand proud and arrogant Heavenly Clans, and was undefeated! Seven Feet Sword Tip sweeps away the world, within the Ten Heavens, I am the Supreme God Monarch!

- Description from Novelupdates

With the Goddess’ blessing, he became a 『Divine Knight』 and founded an Empire.
As time passed, he grows older, and by the time the heavens called for him to come, the Goddess showed before him, asking for his last wish.

He wished to be reincarnated in the future.
He dedicated all his life for his people, he had no time to master his own arts.
This time, he wishes to live for himself, forging his body to the utmost limit.

The Goddess complied with his wish.
In the far future, the King shall reincarnate as the 『daughter』 of a renowned Knight family.
And, under some circumstances, she is labeled as a failure of a Knight, however——

「How convenient. I can stand on the foremost line without needing any rank. No better training than actual combat!」

Thus, the legend of the world’s strongest, most beautiful Knight Disciple (♀) has begun—

I became a staff officer of an empire whose defeat was certain.The only way to escape from the empire with an 8-year mandatory service was through dishonorable discharge.But then…“You can be glad, Lieutenant. Thanks to your accurate instinct, our military could prevent damage in advance.”The more I struggled to be discharged, the higher my performance evaluation became.