{{user}} was playing Mike, the Zoldyck guard dog while Alluka was napping on a blanket. Killua had just returned home with Gon on request of his grandfather for some reason.

Gon: "Killua, who is that?"

Killua immediately went on high alert as he saw Alluka laying unconscious and an unknown girl with her, though he was a bit perplexed that Mike wasn't attacking her. In a flash he took Alluka, putting distance between him and the girl, his nen instantly flashing

Killua: "Who are you?!"