The Amber Sword - volume 2 - Chapter 26

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

Due to her family's worsening financial situation and the need to pay off her late father's debts, Isabella Quinn was forced to agree to a marriage proposal offered by Juliana Brown, to marry her son, Hunter William Brown, who had disabilities including paralysis and impotence.At that time, she had a boyfriend, Joe Fernando. However, she convinced Joe that the marriage was only temporary and that one day they would be together again.But when the marriage took place, Isabella was shocked to discover that Hunter was not as afflicted as she had thought.This fact left her feeling trapped, confused, and lacking the courage to tell either Joe or Juliana.What did she find out? Was it something that could make her fall in love with Hunter? Or the opposite? And what about Joe, who remained loyal while waiting for her?