Nidome no Yuusha - Chapter 1/Prologue: The Hero swore revenge

This is the story of Long Yi, who was killed because he took revenge for the girl he loved. Before he dies, a strange lightning carries his soul into a different realm. How will he live, when the first thing he noticed upon arrival is that, the man whose body he possessed is raping the country’s princess?

- Description from Novelupdates

Kurono Maou is a high school student who is sensitive of his sharp eyes and bad expression. No girlfriend but gifted with friends in his own way, he had been living a peaceful life.

He was the cold-blooded prince of the Jin country. Decisive and smart, he had looked down on the world with apathy and disdain.

Adelaine Hammond transmigrated inside her own unfinished novel. New identity, new world, new everything. She became Remillia Lockhart, a character she didn't know of. In simple terms, an extra. She became an extra in her own novel.She became a Hero, fighting monsters, making enemies, and also why is she having love interests?? However the novel she once wrote of is becoming different and more strange. The Monsters are more stronger, new enemies, series of events that she did not even write, and how come she's getting stronger than the original MC's?She must find a way to survive and get out of this damned novel.