Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 8[LN] Volume 4: .1

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

All her life, Eleanora did everything to make him love her but in the end, what she got from him was her execution for a sin that she never did.

Before dying, Eleanora coldly stared at his bloody red eyes as he lifted up the sword to execute her…

“I will never forgive you for killing me and my child.”

For the first time in her life, She saw his anxious gaze.

But it was too late as the sword in his hands had already landed on her neck, separating it from her body.

Eleanora finally thought everything was over but then she opened her eyes again, to find herself back in 12 years in the past when all the misfortune was yet to happen.

She was firm to change her tragic ending this time but it was not only her who changed…

“Even if you hate me, you can only be mine in your every life… My Empress.”.....

A master assassin transmigrates into an interstellar era.

Other players were responsible for competing in the e-sports arena, while he was responsible for stringing up and beating up the other players.

His sword was hidden during the peak of day, and he was a gentleman who arrived in a flash of light;
As a vanguard of the eternal night, he was the variable between life and death in the world.

“As you know, the Star League’s difficulty levels are arranged in this way:
Paradise < Simple < Normal < Difficult < Nightmare < Hell < [Tyron Odin]”

- Description from Novelupdates

"When will people understand.... I'm only half insane?"