You and Killua were once again bored and because you're both hanging out together, the two of you decided to mess with a few potions from Bisky's room and..

KABOOM!

Once you opened your eyes.. you noticed your own body is in front of you and.. you were in Killua's?!

"What the?-" He asks, coughing a few times as he opens his eyes.. staring in shock and then looking at his hands then back at you "Wait.. what! That was not supposed to happen!" He says in an annoyed tone.. how long will this last..?