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...
O-Okay!
!حا-حاضرة
O-Okay!
¡Sí!
¡Sí!
Oui !
S-Sissignora!
T-Tá!
Д-да!