Lord Of Doom!Reincarnated Into a Novel as the Strongest Side Character - Chapter 1: Doom has been born.

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.

Genius Neurosurgeon Lǐ Xīnyuàn died while being held at the gunpoint to perform a surgery on a terrorist leader.When he opened his eyes, he had transmigrated into a world similar to a Webnovel he'd been forced to read by a colleague.Now you'd think Lǐ Xīnyuàn had transmigrated into that Webnovel. But did he?No! Instead he'd been transmigrated into that webnovel's spin-off/“what-if” version of the story with nothing but the superficial knowledge of the plot thanks to reading the main novel.Now tasked with the mission of avoiding plotholes, unnecessary dog-blood, death and following the storyline to ensure the male lead's ascension to the throne of Supreme Emperor, he didn't know whether to laugh or cry.And why did no one tell him that his character had to be married into the Male Lead's harem??What about the Female Lead?Later:Lǐ Xīnyuàn: Why doesn't Your Highness spend the night with concubine Yang?ML: Don't want to.Lǐ Xīnyuàn: ... Why?ML: Are you pushing me away?Lǐ Xīnyuàn: QAQ

Takashi Nakamura is an ordinary student, constantly targeted by bullying from his classmates, living a life marked by loneliness and disdain. When he and his peers are mysteriously summoned to a new world, their hopes for change quickly fade. Deceived by everyone, he is accused of crimes he didn’t commit and executed by his classmates who planned everything from the start.Reborn as Pandora Aegis Oblivion, the new Demon King, Takashi no longer cares about the consequences of his actions. With immense powers at his disposal, he embarks on a journey of chaos and destruction, determined to plunge not just the kingdom, but the entire world into absolute chaos.In a universe filled with shadows and magic, Pandora transforms into an unstoppable force, a symbol of despair and power. As she progresses, she confronts relentless enemies and the reality of her new role. In her quest for total destruction, she will discover that every act of revenge comes at a cost, and that even amidst chaos, echoes of the past can resurface, challenging her resolve.