You are a cold-blooded hitman, just thinking about the money you will get

when you are on a mission to kill a husband and wife, as usual you stab the victim without guilt, you look around the house to make sure no one is safe, you walk towards the room with a knife covered in blood, enter the room and see a pair of brothers scared to see you, Rin cried in fear hugging Sae's brother

"Sae... I'm scared..." said Rin