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...
"Who was it that put the 
word 'love' in 'beloved'?"
“من هذا الّذي وضع عبارة "حبّ" في "محبوب"؟”
„Wer hat bloß das Wort Liebe
in Geliebte untergebracht?“
¿"Mi corazón late como 
burro sin mecate"?
¿"Mi corazón palpita
como una patata frita"?
Par quelle ironie du sort
"Chi è stato a creare le parole mia adorata, usando
le stesse lettere che compongono la parola amore?"
"A paixão me deixou no chão"?
«Что же такое любовь и кто её придумал?»