My Mother Has a System but Won't Use It - Chapter 205: Liyue’s tribulation

[The 3000th issue of mysterious arrival is about to open! 】

【This is your only chance to redeem yourself! 】

In the global crisis, Wang Teng opens up his unique talent!

SSS-level talent – unequal exchange!

We are not zero yuan purchase!

But we are not equal exchange!

【The exchange is successful! You exchange half a box of instant noodles for endless extraction of SSS-level talents! 】

【The exchange is successful! You exchange a bottle of Sad Crisp Breeze for Douzhuanxingxiao! 】

…

Since then, Wang Teng has opened a new mode of exchange.

- Description from novelbuddy

Lyra Shedd faced a brutal betrayal—her grandfather violently stole her superpower and handed it to her nemesis; her beloved younger brother, in his stupidity, leaked their only hidden assets to her enemies.Once a genius, she was reduced to nothing, drifting in the sea of stars.During her most agonizing years, she finally accepted the fact that her family didn't love her. Realizing she had nothing left to lose, she decided to throw off all moral restraints and become a villain!On her journey of revenge, she encountered many handsome men—but to a cold-blooded villain, they were nothing but tools for her vengeance!This time, she would make all those who pushed her to the brink tremble and scream for mercy!

This is a story of an ordinary boy gaining unusual powers from his nightmares… It all started when Lin Sheng experienced something strange on what he thought was just another normal day. He begins to have recurring dreams that lead him on an incredible journey of discovery as he encounters spine-chilling monsters and elusive secrets.

- Description from Novelupdates

Once upon a time, a hero had been summoned to a different world in order to defeat the demon king. After the war stretching 3 years ended the commendable hero slew the demon king. And he was forcibly deported back to earth after being dismissed.

Such bullshit!

Elves in addition to beast race, dwarfs and demon race. Even though I wanted to make a harem in the different world I saved! My dream will not come true on earth, where there is no magic at all. Thus, the hero returns on his own. Without the blunder of being extradited to earth this time, he will build a harem of his own in a different world.