In My Hero Academia with a Jujutsu Kaisen Gacha System - Chapter 7: NO. - Testing and New Goals

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Laviore Bailey—the ‘fake saintess’ who banished the innocent princess and stirred up bad blood to wage war.

She’s the villainess with a façade of a saintess.

“I love you. So just shut your mouth and die. Okay?”

But the moment her trusted lover chose her as a sacrifice to the demon, and she realized her father was behind the plan, she killed herself by swallowing poison.

It hurt. It was so painful that she could not even scream. But it was fine. Because she knew this was not the end.

“I will save you this time.”

Then, she came back for her second life. She was determined to rescue those who were unlucky because of her and restored her life back.

“You do whatever you want for the man in your dream.”

Demian said with a rough smile.

“I’ll also protect you the way I want to.”

After saving one world from a demon god and earning the trust and admiration of a perverted goddess who wants to be his plaything, Sol's terrible luck causes him to get summoned again to another world with her almost as soon as he returns to his own.However, this time around he refuses to take on the role of a hero.Instead, he decides to challenge a pantheon of gods as a side quest while living as a simple and misunderstood man under the protection of his goddess who took his place as hero. Unfortunately, even without trying Sol can't avoid attracting trouble and is constantly getting dragged into epic battles against the gods without even trying because of his cocky personality and bad habits.But that's fine too, if the gods want to fight then he'll gladly take them on and plunder them into ruin!