One Piece: King of the World - Chapter 336: The Invincible Enel vs. The Strongest Newgate!

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

From a media tycoon’s daughter to a poor plumber’s girl, but it seems that Yu Yao is unfazed? She opened the eyes of the sky, and her life has been opened all the way. She is an eighteen-year-old girl, but as soon as she turns around, she becomes a big boss who no one in the entertainment industry dares to offend.

- Description from Novelupdates

Chiba has crossed, and the world of Naruto was born to the civilian orphans of the Nine-Tails Rebellion.

Reminds me of the upcoming battle.

Konoha’s collapse plan, Penn’s invasion, and fairy fights in the Fourth Ninja World War.

Chiba felt a headache.

As a commoner orphan with no cheating, no blood, no background, and mediocre talent, how can he survive and avoid hanging the southeast branch on the divine tree in the future?

Until one day, a mechanical electronic synthesis sound sounded.

“Congratulations, the world reset was successful. From this moment on, your life has become a game.”

Since then, Chiba has begun her own road of invincibility.

The Fourth Ninja World War.

Facing the super god-level boss Uchiha Madara who shouted “Do you want to dance too?”

Chiba said: I even want to dance!

- Description from novelbuddy

His fiancée, whom he had never met, had just broken off their engagement. He's then betrayed by his girlfriend and schemed against by her lover.His mother's legacy awakens him. No longer content with mediocrity, he transforms into a dragon overnight.