I Became a God in a Horror Game (Unlimited) - Chapter 89.1: Love Welfare Institute

Kael Veyne was betrayed, hunted, and left for dead in the depths of the Abyssal Dungeon.As an infamous assassin, he was the empire’s deadliest shadow—until the day his guild turned on him.Ambushed in the Abyssal Dungeon, his body was torn apart, and his soul was consumed by the abyss. But death was not the end.He reincarnates 25,000 years later with the Devouring Bloodline System. Kael awakens in the body of a noble scion sharing a similar name to him, and his very essence fused with eldritch power.With every kill, he absorbs primal energy, evolving into something far beyond human. Monsters, mages, mancers, knights, assassins—nothing is beyond his reach.

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

This novel is also known as Long Live the Mad Wife!

Daughter of the Feng Family, born a waste. Forced to marry a fool in an attempt to expel evil influences. When the first killer from the 21st century possessed this body, the sky and the earth surged. She was indifferent and cold-hearted but she let her guard down around him alone. She thought he was a pleasant sheep but didn’t expect him to be a gray wolf in disguise!

- Description from Novelupdates