Duskbound - Chapter 36Book 2,

He transmigrated into the dangerous world of Naruto and became a member of the Uchiha clan in Konoha.Fortunately, the night of the clan’s massacre is still years away—and he possesses an extraordinary talent, unrivaled in the village!

The Great Norther Wall. The Dragon Knights. The Lords of the Winter Mountains. The Descendants of the Primordial Dragon. These are the various titles of the Grand Ducal Clan Ragnar, which boasted a rich, thousand year history. Theo Ragnar resolved himself to aiming for the throne of that very same clan. ‘These cursed chains weren’t something I could slip out of. They were meant to be broken with strength.’

During her cultivation practice, Nie Yinzhi encountered a mishap and nearly fell into qi deviation. After emerging from seclusion, she discovered she could see floating subtitles above her head.From these danmu (bullet screen comments), she learned that she was merely a substitute supporting character in a novel.Everyone in her sect doted on and loved her only because her eyes resembled those of the beloved senior sister who had perished ten years ago.And in three days, that blind senior sister would return to the sect—Nie Yinzhi would have her core forcibly removed by her master, her eyes gouged out by her senior brother, and ultimately die alone.Armed with spoilers from the danmu, Nie Yinzhi set up a forbidden array, sacrificing her soul to summon the novel’s antagonist – the great Demon Lord.Covered in blood, amid everyone’s terrified gazes, she coldly smiled and said, “If that’s how it is, then none of you shall live!”The Demon Lord appeared slowly in his dark robes, reaching out to wipe blood from the corner of her mouth: “You’re so young, why harbor such deep resentment? If there are any misunderstandings, we can sit down for tea and talk things through. Why resort to violence?”Nie Yinzhi: “???”Is this the ruthless, evil Demon Lord everyone spoke of?![The Demon Lord says no with his mouth but his actions prove otherwise. Don’t worry, it’s not frustrating, feel free to dive in.]Gu Jiang: Today my wife is asking me to kill againNie Yinzhi: Today the Demon Lord is preaching virtue to me againCultivation World: Being persecuted again todayLaid-back retired veteran couch potato Demon Lord male lead VS grudge-holding can’t-take-any-grievance female lead[[Warning: As you can tell from the synopsis, the female lead isn’t designed to be morally good! She has character flaws! She’s not a perfect victim! She won’t wait until they actually remove her golden core and gouge out her eyes before fighting back! Proceed with caution if this bothers you!] ]

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates