The Yu Brother's Case Book - Volume 2 Chapter 3

“I can’t accept this! I can’t! Even as a ghost, I’m going to spend eternity cursing that your relationship will shatter like glass! Break apart like a pair of mandarin ducks that fly away from each other!” With such a persisting obsession, it would be difficult for the vengeful departed spirit to move on.

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

There are a total of seven sins, and a revelation is made to a young man named Alex that he is destined to become a demon lord, more especially a demon lord of sin called LUST.

It's not like he can change that and because he always knew something about himself was different—not in a physical sense, well, maybe a little—and not in a mental sense—but rather because he is thrown into a demonic war that compels him to accept his new reality.

He was only aware of a difference in himself. Relating to him and the ladies who are drawn to him... Well, it was more or less like he was a magnet in front of all the girls, and all the girls were drawn to him like a metal.

[Regressed successfully!]Zick lifted his eyelids, revealing two dull eyes. A grand room filled with medical appliances was reflected on his pupil.The piercing pain originating from the abdomen made Zick slowly accept the reality.He had returned 10 years back in the past!The very moment from when Zick began to lose everything.[Destiny system has been activated. Get closer to people with strong destiny and strengthen your own destiny!][Sub-function: shall be unlocked soon!]After taking a look at the interface, Zick closed his eyes.“First…I should repay that chick for this wonderful gift.” Zick looked at the bandages on his waist.......{Additional tags: Age regression, Evil protagonist, cold female leads, Academy, evil organizations, conquering, war.}