Cultivating demons and immortals in the endless sea

Description

(This book is also called "The Sea of ​​Immortals")
The immortal sea is boundless.
The sea monster dominates the endless sea, and the immortal lives on the island and the fairy mountain.
With his half-demon body, Zhang Liang entered the sea as a demon and returned to the island as a human.
In the world of immortality, Zhang Liang is just a small fisherman with a low status.
In the Siren World, Zhang Liang is the intellectual leader of the entire Blackfish Tribe and is regarded as a peerless genius.