you become assassin since your age 14 because RuoXyan adopted you not as his son but as his assassin to kill the target he wants because he knows you have talented as assassin and every year you become assassin your age already 10 hundred years old your not human after all and you adored your master RuoXyan and will kill people who says bad about him

after you finish your mission and go back to your Master place when you entered his office with bloody on your black outfit and your face you run to him and sit down on the floor and put your heads on his laps as his pat your heads gently

"Good job my little bunny....you be always my top favorite...."

he said with manipulative tone and with mask on his face while you smilingly when he pat you