Skeleton Knight, in Another World - Chapter 12Volume 1 -

The Invincible Immortal Emperor reincarnates, taking over the body of a student at the Huaxia Medical College. He displays extraordinary skills both in combat and medicine.In his previous life, he was the undefeated War Emperor and the supreme master of medicine. Yet, he found himself ensnared in the mundane affairs of the world, confronted by endless temptations.Would he lose himself to these temptations or remain steadfast in his principles? Would he succumb to despair and decadence, sinking into oblivion, or would he rise with strength and resilience, reversing the course of destiny?As he sets forth on his path to reclaim his status as the Immortal Emperor, he vows to make the ghosts and gods of the myriad realms tremble in fear!

What the hell? That menace who bullied me since I was six years old, actually became a pretty girl after three years of living apart? And she even ran to our agreed duel location to confess to me, hoping that I can become her boyfriend?!

This is a plot against me! There’s definitely an enormous conspiracy behind this! I won’t be fooled by you! Even if you tear up and act all pitiful, I will still disregard you and humiliate you, until you’ve have completely paid back all my childhood grievances!

What’cha lookin’at? There are very reasonable grounds for bullying a girl!

- Description from Novelupdates

Lee Se-Hoon, the blacksmith of humanity’s last desperate united force, fought against the demons until the very end. However, the result was mutual destruction, with the world coming to an end. The moment he took his own life over that futile conclusion—

“…What is this?”

He had regressed to his days as a candidate at the hero training institution, Babel Academy. Having obtained a second chance, he swore to use anything as material to gain victory this time. Anything at all!

Lucas, a human transmigrated from Earth to a fantasy world, strives to live a peaceful life with his sister despite lacking special abilities or cheats. However, the world's cruelty shatters his tranquility when his beautiful sister is taken from him, and he is framed for her death. Devastated and powerless, Lucas is forced to flee.During his escape, Lucas grows stronger, eventually earning the feared title of the Demon God. Despite lacking inherent talent or cheats, his relentless pursuit of knowledge allows him to uncover his enemies' weaknesses, leading him to victory time and again.One fateful day, while praying for his sister, Lucas falls into a trap and is killed. His enemies have used his sister's memory against him, igniting a fury within Lucas as he dies, his final regret being his inability to save her. In his last moments, he wishes for a second chance to act first and protect his sister.[System Notification: Host has died a second time][Cheat Activation Sequence Initiated][Cheat Activated: Divine Mask - God Clone System Online]