Reborn: Super God of War - Chapter 2 - The Battle Emperor Returns!

Jiang Liu lost his father at the age of three. When he turned five, his mother decided to run away with another man. At the age of fourteen, he sent off the only relative he had, his grandfather, before carrying a small amount of property and stepping into the big dyeing tank called society.
He was stingy, selfish and absolutely disgraceful. Except for breaking the law, he accumulated all the bad habits available to the mankind. Yet, such a man, after an unexpected death, was bounded by a silicon-based creature called the righteous father’s system. Since then he started his magnificent career in the world system.

World 1: On the ultimate evolution of unquestioning filial piety;

World 2: The man who loves to boast;

World 3: The search for the second spring for ones own mother

World 4: Good father

World 5: The self-cultivation of a national husband

World 6: Acrobat

World 7: Divine stick

World 8: My home has a baby egg

World 9: The correct way of wearing the green hat

World 10: Tremble, you scum man

World 11: An angel who doesn’t like to talk

World 12: The rebellion plan of a martyr

After several worlds went by…..

Righteous father’s system 001: [Shivering], I wonder if I still have time to change my host.

- Description from Novelupdates

Theo volts, an 18-year-old Brazilian, died on his way home as he was struck by lightning. Upon waking he discovers that he was no longer human but a red fox. In addition, he also came to discover that he was gifted with a miraculous system.

Defeating monsters and frantic animals, Theo climbed into his cultivation, turned into a golden fox and conquered a Goblin village.

Augustus Cross was a man close to his 30s with nothing to his name. People rolled their eyes at the seemingly useless man and he remained helpless even as his daughter was at the brink of death.When all hope seemed lost, the hidden dragon within him was unleashed when the seal broke accidentally as his birthmark was stained with his own blood. Knowledge of ancient arts filled his subconscious, granting him powers to cure his daughter and other incurable illnesses.A man who was once looked down by everyone is unstoppable now. What lies beyond this man with the power he now possesses?

Akira Kuromiya is just an average high schooler who gets killed by a robber. He wakes up and is now a chicken!? Even worse he becomes the familiar of a girl who's apparently the heiress of a powerful clan.

That was for a short while though, as he was abandoned and woke up to find out he, now she, is trapped in a deadly magical forest with all sorts creatures trying to kill her.

The world she finds herself is one of magic and monsters like the manga she's been reading. Akira, now Hinotori is trying to live her life as a chicken in another world!