Mingyuan Cong Da Dang Lai

The Legend of Qin follows the Qin dynasty from when the Emperor of the Qin, King Zheng conquered the other 6 nations and unified China, to the rise of the king of Western Chu, Xiang Yu, who capture the capital city, Xianyang.

A 5000-year-old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great "Evil Dragon, the Demon Lord's Army Leader" in order to get rid of her. However, his little white lie awoke her hidden powers and his peaceful life suddenly ended.

Gawain transmigrated, but his transmigration had a little problem.

After floating in the sky of a continent from a different world for hundreds of thousands of years, he thought that he probably needs a body to be considerd a complete transmigrator, however he didn't expect that after managing to get a body with great difficulty, he unexpectedly has to crawl from his coffin, moreover, he has to face two scared ladies that are his great-great-great......... great-granddaughters.

As well as a world that it's about to arrive at its era's conclusion.