boomer and dark bubbles

The girls and I are going to the boys house as our dark forms. Then something hit me. "Momoko, what name did 당신 choose?"
"I chose Demon. So, what names did 당신 choose when 당신 first did this.
"Boo." replied Miyako.
"Bones." I replied. "And I said that we're twin sisters. So 당신 must be our triplet that just arrived from visiting Mexico."
"Ok!" she squealed.
"And please don"t squeal. We are supposed to act dark, remember?"
"Got it." When we arrived, we knocked on the door. When we opened it, we saw that the house was clean. Actually clean for once!
"Hi!" we said as we walked in. Then the...