The Sword King Reborn in Another World

He was adopted by a mercenary organization since he was a child and trained as a member of the assassination team. After a mission failed, Yun Yi survived by chance, and later met the only woman he loved deeply in his life. He married her and decided to stay away from killing. But later he was persecuted by his adoptive father and his whole family was killed. He himself finally died with his adoptive father, and at the last second before his death, he realized the realm of the Sword King.