The Backbender (Avatar: The Last Airbender) - Chapter 11 - : New attribute!

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction.

As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

Zhong Qing is expected to die because she was suffering from an incurable disease but she will come back from the dead and will wake up into magical white space called SYSTEM that which revealed her hidden secret. She will become a LITTLE GOBLIN!

Before the task, the system is indifferent.

“Your mission is to accompany the man and help him onto his peak life”

But after the task, she felt love and indignation.

“You get out, system! I thought I would only accompany and help him, you didn’t say that I would fall in love with him!”

The system silently acts dead.

The man also already fell in love with Zhong Qing.

“Honey come on, go home with me.”

- Description from Novelupdates

He said coolly: “One million a month, stay with me!” She raised her eyebrows and smiled: “Pay a 30% deposit first, no credit!” Show no mercy. When the contract expired, she turned around gracefully, and when he chased after her, she found that there was already a kid the size of a kid beside her…

- Description from novelbuddy

As the last abyssal demon in the world, Wen Long was pulled into various worlds to do tasks by a guy who claimed to be a system. The goal of her mission was to save those villains who had been blackened for various reasons…

- Description from Novelupdates