This Assassin is a Bit Strange

Reborn into an ancient world where Sword Qi reigns supreme, Fang Bie is adopted by an Assassin mentor. To his surprise, he discovers that the martial arts of this world are far more prosperous and flourishing than he ever imagined. From high-ranking officials and nobles down to the commoners of the Jianghu, everyone practices martial arts for self-preservation. To avoid becoming mere cannon fodder for others to practice their techniques on, Fang Bie diligently trains in Pressure Point Attack, Lightness Skill, mechanism arts, Palm and Sword Techniques, and Qi cultivation. Despite possessing world-class Talent, the youth remains as steady as an old dog. Living a second life, Fang Bie does not seek a life of excitement; he only desires peace, stability, and a long life. Then, one day, a young Imperial Guard is ordered to go undercover by his side, becoming his partner... — Description from novelcodex.orgFull novel: This Assassin is a Bit Strange — read the rest free on N​o⁠v​e⁠l​C⁠o​d⁠e​x⁠.​o⁠r​g⁠