Four teenagers who left the school and entered the arena for the first time, went through all kinds of difficulties and dangers in order to find the truth, unravel the mystery of their life experience, and become a gentleman. They value the way of a gentleman and demonstrate the chivalrous spirit of "using their own strength to make the world fair". A strange book, a grudge, a belief, a legend.

Lu Mingfei never expected to live an extraordinary life. He was content with his average achievements and took pride in his skill in Starcraft. However, all that is upended when he suddenly receives a scholarship to study in Chicago at a place called Cassell College. It all seems too good to be true, this can only be a scam! Little does he know, that when he does eventually accept the offer, it is but the beginning of the rest of his life, and the college's obscurity will be the least of his concerns once they start telling him about the dragons...

Ryou is delighted to be reincarnated into the fantastical world of Phi, where he thinks he'll get to live a quiet life learning to use his newfound water magic. Going with the flow here, however, means something very different. Ryou is immediately pitted against the wild lands he winds up in and the slew of deadly monsters that call the remote subcontinent home. You'd think he'd forget about taking it easy when he's stuck fighting for his life, but lucky for Ryou, he's naturally optimistic, clever, and blessed with the hidden "Eternal Youth" trait. Twenty years pass in the blink of an eye, and each encounter along the way pushes him one step closer to the pinnacle of human magic. Little does he realize that's only the opening chapter of his tale. A fateful meeting soon thrusts Ryou to the forefront of history, forever changing the course of his life... Thus begins the adventures of the strongest water magician the world has ever seen—who also likes to do things at his own pace!