"I am a Knight of Latem, destiny that cannot stand under the same sky as you."

The body that came into the book and became possessed was Karina Apocalita, a member of a heterogeneous race that reigned as evil in the world.

But in the original story, the heroine Paladin Ren, who was the first love of, almost saved the life of the novel, the content of the novel began to twist. Reneger doubted his faith, and eventually lost his brilliant white blonde hair.

So the holy paladin became corrupted and eventually sympathizes with Karina's fate.

“Now we have each other's desires," Karina said, stroking his cheek. It felt like a seductive thorn vine was pulling me in, one by one. Reneger couldn't cut it down.
“God, please forgive me."

(Source: KakaoPage, translated)