Not what he seems

kuro despite his acting like he doesn't care and all that stuff, actually cares. During sometime in the past he was approached by with the decision to kill the creator of the servamps by the C3. He called his siblings to a family meeting to discuss whether they should accept the request or not kuro didn't want to kill their creator, their father, but he doesn't want his siblings to know the pain of ending their father's life. So he choose to kill him by himself. So they would not know that kind of pain. What he didn't expect to find out when he went to end the life of their father. Instead of trying to kill their father, their creator, he froze. Their father welcomes him in and wants him to met their youngest brother...

What will happen next? will sleepy ash kill him or will he let him live?

(the people in this are either gonna act like they usually do or I'm changing how they act. don't know yet.)