It turns out that my Yandere playmate online is my Homeroom Teacher - Chapter 30: Nightly hella part 2

Rin was a nobody—just a gamer with a love for manga—until death dragged him into another world.Reborn as Auren, the third prince of the cruel and war-hungry King Aurelus of Austerra, he enters a realm ruled by magic and divine systems. Every person is born with a Divine Frame—a gift that defines their class, power, and fate.Everyone… except him.Frameless. Powerless. Disposable. Auren is cast aside as a mistake that shouldn't exist. But hidden beneath that flaw is a terrifying truth: no Frame means no limits. With nothing holding him back, he begins mastering all paths—mage, warrior, healer, assassin—enhancing them with Earth’s forgotten science.In a world that thrives on order, Auren is chaos. And from that chaos, a legend is born.

After her previous life, Lan Ke luckily received an universal trade system, and also a ruthless food waster. After initializing the universal trade, becoming a universe merchant, it was the good days of breezing disasters, face-hitting, embracing handsome men! Though as she got stronger and stronger, she stumbled upon the scary secret of the apocalypse!

- Description from Novelupdates

(The Book's title has been changed from the original Pretty Man's Beloved Farmwife: This Madam is So Hot). Yang Chuxia found herself in a different world, inhabiting the body of a destitute farm girl who had been killed by her step-grandmother. To make matters worse, her step-grandmother even intended to sell her lifeless body. How could she endure such a fate?Hmph, whether you're a step-grandmother or an uncle, if you're a villain, I'll confront you just the same. Send one, I'll defeat one; send two, I'll conquer both.Yet, after vanquishing the wrongdoers, she gazed upon her emaciated, poorly dressed parents, siblings, and the struggling, underdeveloped village.Yang Chuxia seethed with determination, pointing to the sky and declaring, “I shall surely bring prosperity to this place, to the point where you'll fear having flowers bloom in summer when I tell you to have flowers blooming in summer, and where you are too afraid to seek women for me as suitors, when I tell you to find me men!”A certain man whispered, “Wifey, I'm already a man...”

Lynn has transmigrated into the very game he just beats and a girl rushes in his house, kneels down before him and says,“Greetings, Demon Emperor! You have finally appeared...”Demon Emperor? Wasn't I supposed to be the Human Race Saint Emperor!