Available as both manhwa and novel.
The sword of dawn
Also known as: Liming Zhi Jian · The Sword Of Dawn · 黎明之剑 · Blade of Dawn · Límíng Zhī Jiàn · Sword of Dawnbreaker · The Sword of Dawn · 夜明けの剣
The main character died in a plane crash accident, he was transported to a strange spatial installation orbiting a strange alien world with a physical body, for over a hundred thousand years he observed the emergence and evolution of life and the formation and fall of civilizations until he woke up in a coffin, the story follows Gawain, the Grand Duke and a founder of the Kingdom of Ansu.