The Demon King Seems to Conquer the World - Chapter 15: (Self Edited) The Youth Rook

Jeon Eun-woo has lived for almost thirteen years in isolation in a cell at the Blackwood Research Center.He doesn't remember who he is, he doesn't know who locked him up, and he doesn't know why he's still alive.The apparent calm with which he has lived is shattered when he is assigned a cellmate.Rhys, a young man with invisible scars, appears in Eun-woo's cell with one goal: to kill him.Because Eun-woo is not just any person.He’s the last living Esper.But upon coming into contact with Eun-woo, Rhys unexpectedly bonds with him, something that shouldn't be possible because Rhys isn't a Guide.Or is it?

Born naturally defective but possessed by the spirit of a divine dragon. Inheriting the divine dragon’s will and power, growing scales and magical claws, imperial waters containing the breath of the dragon, travelling through clouds and summoning rain, an invincible physical body. In this world and era, countless men dream of slaying dragons. Li Mu Yang has always lived a hard life.

- Description from Novelupdates

Xu Yiyang, who was only late in his life when he was middle-aged, returned to 1999 in a dream.

At the turn of the millennium and the turn of the century, he realized a truth:
Not only to be famous early, to start a business and make money, but also early!
………………
New book uploads, new stories, new voyages,
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- Description from Uukanshu