MTL - Pirates: The Strongest Creatures of Beasts - Chapter 13

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

Venshiro, a young ronin bound to the Black Vein Blade, is hunted by clans who would kill for the curse he carries. Every time he draws the sword, it takes something from him—his memories, his soul. But the blade remembers everything.And now, it wants more.

A very sweet entertainment circle novel about a closeted gong x fudanshi shou.

- Description from Novelupdates

Shadow was an assassin with no family, no friends, and no purpose beyond the missions assigned to him. Kidnapped at the age of five and forced to serve a ruthless assassin organization for fifty long years, his life was a series of shadows and bloodshed. On the eve of his fifty-fifth birthday, he completed his final mission with hope in his heart. A hope that freedom and a better life were finally within reach.But that hope was shattered. Betrayed by the very organization he had devoted his life to, Shadow was ruthlessly killed, his decades of loyalty repaid with treachery. As his life slipped away, he swore one thing.“If he had a second chance, he would live life on his terms, unshackled and free”.In the void between life and death, Shadow's soul was met by “Syl”. The enigmatic Shadow Monarch's System. Syl offered him what he craved most. Another chance at life, but in a world far different from his own. Without hesitation, Shadow accepted, eager to grasp the life he was denied.Reborn into a realm of gods, magic, and chaos, Shadow soon learns the truth.He is a Wild Card, a pawn in the gods’ celestial game. Amere source of entertainment for their whims. But Shadow is no ordinary human. With the sarcastic and unpredictable Syl by his side, a glitching system that grants him powers beyond imagination, he embarks on a journey to defy the gods and forge his destiny.