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...
What was that?!
!ماذا قلت؟
Wie war das?!
¡¿Qué dijiste?!
¡¿Qué dices?!
Che cavolo dici?!
O que disse?
Что ты сказала?!