Zero no Tsukaima - Volume 12 s1Chapter 3

[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

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates

A one-night stand was all she wanted. A one-night stand was not his style. Still, they ended up together in a night of passion. No names, no feelings, and no complications.

They thought that their unexpected encounter was an isolated incident. However, fate had something else in mind.

As they found each other, back in each other’s arms. Not in a passionate embrace, but with a contract that would bind them for a long time. An agreement they were both bond to honor.

Daniella Hamilton was an heiress who wanted nothing to do with her father and her inheritance. She pursued her career to become a lawyer for the masses who could not defend themselves from the injustice in their current judicial system.

Alexander Princeton, as the name suggested, was a possible heir, next in line to his father, the Duke of the Blackstone House. He also wanted nothing to do with the title or the prestige of the dying Royal Empire. To him, wealth was the real power.

Would their agreement lead them to the fulfillment of their dreams or would it end up in a disastrous union?

When Simon dies, it turns out there's more to combat than lightning reflexes with his controller, and the path to becoming a hero is more brutal than he can imagine as he descends into The Pit. Death after Death is a dark, time loop/Isesaki story with roguelike elements, that explores some of the common tropes in a different light.