I'm Leveling Up Too Quickly - Chapter 454 - : No One Is Favorable

At six, Jiang Huai stubbornly clung to the thighs of the fairy in white and wouldn’t let go. She took him back to the mountain and made him her only direct disciple.At fifteen, he changed his way of addressing his master from ‘mother’ to ‘sister,’ and after being severely beaten, he corrected himself to ‘Master’. Jiang Huai harbored a grudge in his heart for a full six years.At twenty-one, he learned how to talk back to his master.

“There is a scar on my stomach which is hard to heal over the years”..

Ning Yu is forced to marry Song Bai Lao, whom he was deeply entangled as a teenager. Because of the misunderstanding they had before, Song Bai Lao keeps bad-mouthing Ning Yu to the point that he even becomes Ning Yu’s nightmare. As they get together, Song Bai Lao finally confronts his feelings for Ning Yu, and Ning Yu finally sees his true feelings and sincerity.

- Description from Novelupdates

After transmigrating, Chen Yu found himself in a highly militarized world. But the “will of the world” had concluded that he was an intruder and put a curse on him.

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.