The Country Sent Me to Cultivate Immortality, but I Failed and Was Reborn.

[Urban cultivator + multiple female protagonists + invincibility + miracle doctor] In the last life, the country of Daxia faced a crisis from another world. The entire country of Daxia used the ancient teleportation array to send a hundred geniuses with spiritual roots to the world of immortality to look for opportunities to save the country. After three thousand years of cultivating immortality in the world of immortality, Chen Changan failed to transcend the tribulation and ascended to heaven. He was reborn and returned to his college days on earth. At this time, there were still ten years before the crisis of annihilation in the other world...