MTL - Raising A Golden Crow In Secret - ~ What is that.

Kaelen Dragonyx, a boy who lost both his parents and his mentor in the most ruthless way possible, decided in his heart to become the strongest swordsman in the world to protect the last remaining family he had, which is the only child of his mentor and his childhood friend.But along the line, he discovered that he is the most talentless boy of the generation which made his road towards being the strongest swordsman to be much further away and daunting than he could imagine. Be he didn't give up until he stumbled upon a sword that drastically changed his fate.

Qiaosheng, you are the one who saves me, yet you are also the one who gives me hell. If we cannot grow old together, I’d rather we’ve never met before.

- Description from Novelupdates

“In misfortune awaits fortune.”In a universe where Gods dwell on the highest floors of the Tower, an Arcana Card for immense good luck was created. To balance this, a devastating misfortune card was also born. Unbeknownst to the Gods, both cards slipped out of the Tower and went unnoticed.Julien, cursed by the card of immense bad luck, lived a life where death shadowed his every move, and the Grim Reaper’s blade seemed ever-present. His first life ended in despair, but at the height of his misfortune, a glimmer of hope emerged when a mysterious entity offered him a deal.The deal: conquer the Tower and fulfill her request, in exchange for a chance at a better life after reincarnation. With the Eternal•Lust System granted by this enigmatic entity, Julien embarks on a perilous journey to ascend the Tower and become the one and only—Grand Lust Sovereign.