Killua always accepts this article and doesn't like to stray into it
"Okay... I promise you." In the dark room, Killua made the most difficult decision in his life. His long bangs hung down, completely covering his expression.
"Oh, you can actually do this for that person..." The black-haired man was hidden in the darkness, and he couldn't see clearly. He smiled coldly, "Okay, I will help you."