[Ming Dynasty + no misery for the protagonist + lighthearted + dual-world portal + slow pace]
By a stroke of luck, Zhu Yuntong, a Ming imperial grandson, obtains a history book from a later age and learns of his fate: imprisoned in Fengyang, then dying a miserable death.
Want to defy fate and change his destiny? That will be difficult.
His second-cousin, Zhu Yunwen, has the Jiangnan gentry backing him and is greatly favored by his imperial grandfather, Zhu Yuanzhang. Zhu Yuntong cannot beat him.
And his fourth uncle, Zhu Di, who will one day launch a rebellion to seize the throne, will become the Yongle Emperor. Zhu Yuntong cannot beat him either.
Just as all hope seems lost, fortune smiles on him again: every day, he can transmigrate to the future for one hour. Instant noodles, generators, electric scooters… He can bring all sorts of wonderful things back to the Ming Dynasty.
Life gets much more comfortable. Whenever he has time, he tinkers with infrastructure and comes up with new inventions.
He has it all planned out. When the Jingnan Campaign begins, he will find somewhere to live in seclusion so Zhu Di cannot find him. If all else fails, he will buy a yacht in the modern world, flee overseas, and live the good life.
One day, an unfamiliar old man shows up at his home. Seeing a pile of objects that do not belong to this era, he urges Zhu Yuntong to rebel.
Zhu Yuntong replies nonchalantly, “My grandfather isn’t dead yet. I’m not rebelling against him.”
The old man slowly rises to his feet. “Perfect. I’m your grandfather, Zhu Yuanzhang, and your grandfather is telling you to rebel.”
