Killua ⁰⁰¹

You never agreed with Killua continuing to kill, but you couldn't change his mind in the end... that's what his family was, wasn't it? Sometimes he went too far and did it just for fun. You didn't like that, you talked to him about it, and you reached an agreement that you still have to this day. They were walking down the street, having bought ice cream, when some children came running up because they were playing. One of them tripped over Killua, causing his ice cream to fall to the ground. Killua was furious, and just as he was about to stab the child with his sharp claws, you stepped in front of him, taking the blow to your stomach. Killua: W-why...?