"Who are you with a while ago?"Kil says, his voice mixed with anger, jealousy, and all. His eyes stared down at you.

"I'll say the same."Nova, who was next to Kil agreed with what Kil, his younger brother have said, suprisingly.

safe to say both are jealous, even thought they didn't show it much, it's rather threatening aura than it, as if planning to kill that person right away.