I Possessed a Demon Sovereign - Chapter 15

Chen Yuan from Ping'an County Government had traveled through time, his mind harboring a Qi Fortune Altar.As long as he sacrificed Qi Fortune, he could obtain guidance from heaven, Divine Skills, Cultivation Techniques, evil arts, Heavenly Materials and Earthly Treasures...This world was populated by immortals, Buddhists, demons, as well as lofty temples and the distant Jianghu.There were three thousand Sword Immortals controlling swords across the sky, Buddhist Arhats who could lift the heavens with a single finger, and there was the Jianghu...It was the worst of times, it was the best of times.My name is Chen Yuan, from the Abyss!——————An author of decisive and swift action.

She was a medical genius from the Noah Medical Academy as well as a drug producing specialist. After sleeping for three days, she had returned to the ancient era and become the loyal marquis palace’s ignorant and silly young miss.

He was the supreme king of the Jia Luo Kingdom, with prestige around the whole world. With an ice cold face and a ice cold manner, he was entangled by her strong and overbearing manner, vowing to never let go.

Accidentally falling on him, he said, “This king will never suffer a loss.” Never suffering a loss, so he kissed her back.

Accidentally hitting his face, he said, “This king will never fight with a woman, I only nip women.”

Five fingerprints. Not only has he nipped her five times, he still collects interest.

- Description from Novelupdates

Luo Lan traveled to the world of pirates, but the golden finger cheated him, it seemed useless.

Fortunately, I met Luffy at the beginning, and I planned to hang out in the hat group and wait for the finale.

But what he didn’t know was that after reading his comics…

Luffy frantically racked up experience in the comics and awakened Nika form ahead of time!

Zoro had just finished his duel with Sasaki Kojiro in the morning, and he fought Kenpachi again in the afternoon!

Sanji hangs out with guys with thick eyebrows all day long, shouting about youth, passion and so on~

Usopp asked the two Wang Yue to create a shallow sword, awakening the bow and killing star!

Chopper gathered the power of the twelve beasts to prove that I am not the weakest fruit of everyone!

Robin’s thousand hands formed a seal at the same time, and told you what is the spiral pill washing the ground!

…

When the top war comes, the *hat group makes a strong debut and shocks the world! !

- 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.