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...
I need honest and pure 
middle school students!
!أحتاج تلاميذ إعداديّة صادقين وأنقياء
Natürliche, unverdorbene Mittelschülerinnen, die sind das Wahre!
¡Necesito chicas de secundaria
sinceras y puras!
¡Necesito chicas de secundaria
sinceras y puras!
Il me faut une collégienne
honnête et pure !
Le oneste e pure
studentesse delle medie invece sì!
Preciso de adolescentes puras!
а простодушные и чистые школьницы!