Kuro no Maou - Chapter 524

Song Yan, a senior high school student, lost his parents when he was a child. Before obtaining a mysterious and amazing ring, he has been often plunged into a vulnerable position and easily marginalized. However, his life is changed because of the cryptic ring.

- Description from Novelupdates

[Shuangqiang, sweet pet, 1v1]

A very distinguished person has come to the west city.

The mysterious man Rong Wuye is ascetic and dignified, ruthless and crazy, unparalleled in power and wealth, but he is also a well-known and unfeminine flower in the business world.

“Follow Fifth Master to keep you safe.”

“That mountain, and the three mountains connected to it, are all our private domain.”

“I don’t even intend to give my name to Lao Tzu? I’m sorry!”

He pushed her against the corner, “Little thing is misbehaving, how should I be punished?”

…

Nanhuang was reborn and found that she had become Ye Nanhuang, a woman whose marriage was not going well.

A cold divorce agreement was thrown in front of her. She took the agreement, signed it quickly, and left.

Stupid scumbag, sister don’t want it!

“Ye Nanhuang is a divorced woman.”

“Ye Nanhuang knows nothing but painting.”

“Have you heard? She is barren.”

The powerful and overlord of the imperial city, Rong Wuye, came all the way to the west city, and put his arms around her slender waist.

“Little thing, marry me, huh?”

- Description from novelbuddy

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.

Amid a world war, with his awakening to powerful special abilities (Soul Armor Abilities), Kamiya Yuusuke, conscripted into the military at the age of 10 due to this newfound power, continued to achieve numerous victories on the challenging battlefield. As a result, at the age of 15, he held the position of Brigadier General.Despite traversing battlefields worldwide, he finally managed to return to Japan. The joy of returning home was short-lived, as news of an underage boy in the military started to leak to the public. In response, the military high command ordered Yuusuke to attend a military school called the Special Operations Soul Armor Academy and undergo a revision of his military records.Yuusuke, secretly pleased at the prospect of reclaiming his youth, faced numerous troubles, whether due to the nature of the unique school or perhaps because he had been in constant battle since childhood. What will happen to his relationships with strong-willed girls such as his half-silver-haired childhood friend, the older sister officer who is his work partner, and the tsundere honor student of the same age?