"Ah."
"Floating head!!"
"It's visible now..."
"Why just the head...?"
"Looks like our bodies too."
"Ah, I can see my hands..."
"I see, so the clothed bits are invisible..."
"Uh... How come?"
"Try stripping."
"Whaaaa!? No!!"
"Like this?"
"You're actually doing it."
"It's fine, my underwear's invisible."
"You're right about that."
"Silhouette quiz."
"Shelled shrimp."