Do Your Own Revolution - Chapter 24

That lonesome night as he lays dying in the hospital, fearing of death and desiring the taste of life, his mind became unprecedentedly complex with mixed emotions.

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates

Emperor Yongning liked his daughter, but he gave birth to eighteen sons in a row. For this reason, he specially asked the master to fortune-telling. Did he have a daughter?

The master told him, “Your Majesty, you have a daughter, and the daughter was born long ago.”

Emperor Yongning waved his hand and said, “I only have eighteen sons and no daughters.”

Master: “No, you have only seventeen sons.” The other is a daughter.

Emperor Yongning: “Absolutely impossible.”

Until one day, Emperor Yongning saw his eighteenth son Jun Ning, wearing a double-ring bun, wearing a pink skirt, pretending to be a little girl, and excitedly said to him: “Father, I am It’s not the prince, I’m the little princess you always miss!”

Emperor Yongning: “…What nonsense, you are my son.”

Jun Ning: “No, I’m your daughter.”

“Come on, give me a medical examination!”

After the test, it turned out to be a daughter.

Emperor Yongning: He, he has a precious daughter.

- Description from novelbuddy

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?