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...
Really?!
!فعلاً؟
¡¿En serio?!
¡¿En serio?!
C’est vrai ?
Eh?! Davvero?!
É mesmo?
Правда?!