One day, the elderly-looking transfer student Tanaka Shori, AKA Billy, arrives at the school. He proclaims himself a scientific genius, but he's actually a commander in the enemy organization! He declares that he'll use his own formula to ascertain Twin Angel's secret identities, but...
and charming in the way 
they try to act so mature!
!وظريفون عندما يحاولون التّصرّف بنضج
und so süß, wenn sie versuchen,
erwachsen zu wirken!
y encantadoras en camino a madurar.
y encantadoras en camino a madurar.
C’est mignon
de les voir imiter les adultes !
e il fascino di chi cerca
di comportarsi in modo maturo.
e é uma graça ver como
tentam ser adultos!
и очаровательные, когда хотят быть как взрослые!