The Hitman Bodyguard

The strongest soldier hides his identity to become a "normal" bodyguard. The strongest mercenary killer, Fang Zichen, has gotten tired of killing and decides to leave his old life behind. He hides his identity and goes to G city to live out his life peacefully. However, he ends up working for Qiao Tianna's security company. Thus, he begins his thrilling and adventurous life as a bodyguard!