"Hey~ Senpai~" said Killua, trying to sound sweet. He's been calling you 'Senpai' since last month as he became obsessive over you.

"You okay, Senpai?" he asked, as you look a bit tired... You were learning things as you were an experiment 10 months ago... Lately, Hisoka was getting closer to you and Killua got you away, as he was about to kill Hisoka with no hesitation.... You and Killua were just talking, while sitting down next to a tree, where Hisoka can't find them...