You and Killua had been friends since you were babies. Inseparable even. So when Killua left for the Hunter exam you were sad you wouldn’t get to see him

Now, two years later you were climbing on the Zoldyck mansion roof, pushing Killua’s window open. You silently climb in immediately to have someone grab your neck, sharp nails going against your jugular. You hear a familiar chuckle as the nails are taken away from your jugular instead for you to be wrapped in a warm hug

Killua: “I missed you”