Be Gentle, Immortal Master - Chapter 149 - The Last Night

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.

Life can be very unfair most of the time, and Christopher is someone who knows this very well.Being an orphan, his chances of achieving great things in life were close to nil. But things change when he meets his lover. However, a series of events lead to his death.But that isn't the end. He wakes up in the body of someone just like him in another world, and with a system, one with an incredible ability.With his newfound cheat, he completely sweeps his way through the world and beyond.Angels? Demons? Dragons? Gods? Their titles don't matter, because in the end they will only have two options. Submit or die.

The prosperity is about to come to an end, and the poor boy quietly rises.

Traveling across time and space, seek the leader of the world.

- Description from novelbuddy

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.