I Can Turn into a Fish - Chapter 17: Explosive Popularity

After rebirth, Long Xiaoyuan went into raptures because he was in poor health in his previous life. However, he suddenly found that his soul was in the body of a fatuous and self-indulgent emperor.

Transform into Divine Dragon and dominate the world!
He is the only Divine Dragon in the sea who founded an underwater Dragon Palace.
With Crawfish Soldiers and Crab Generals as his followers, wild sharks and gigantic octopuses as his subordinates, he is the dragon that rules the city.

- Description from Novelupdates

Just as the name suggests, this is a book about a nefarious villain who ends up getting a system...Yikes.Lumian, considered to be the worst of the worst. A man unfettered by human morals, indifferent to justice and disgustingly evil at the very core of his being.On his death bed he is offered salvation, not the good kind. A faceless man extends an offer to him, an offer with a strange condition attached to it.Lumian accepts and escapes the clutches of death, a second chance at life. You’re DEAD wrong if you think turning a new leaf is an option on the table.What happens when power is given to a man with a black heart? Find out as you read.WHAT TO EXPECT?–A smart and cunning main character, with equally interesting side characters–Yes, there are R-18 scenes(No Yuri, No incest, No NTR)–Well structured storyline and epic fight scenes. Somewhere between fast pace and slow burn.Thank you very much for reading and please do well to support in any way possible…Muah

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.