I Can Level Up By Staying Idle - Chapter 21 You’re Here To Pick Up Girls!

Some say reincarnation is a blessing, but for me, it's a dreadful curse. Cursed with endless reincarnation, I've been reborn as a villain 137 times. And all 137 times, I've been toyed with and killed by heroes who are far more cruel than the said villains... If I can't win no matter what I do, then I'll crush those so-called heroes at their very roots. - Quality Fan Translations, Made by Fans for the Fans - Villain Takes Over The Academy

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.

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

“For those who dare call themselves gods, I, Wen Ran, will crush their legacy beneath my feet. Even dogs are more honorable than those filthy bastards!”A feared Godslayer, who, due to betrayal, perished under the might of the heavens, having his world destroyed. Saved by a mysterious system, Wen Ran was granted a second chance at life but reincarnated in the body of a lowly slave. Hunted by the gods who sought his head, Wen Ran vowed to reclaim his title by showing heaven his vengeance as a 'God Slayer.'