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...
It's time to celebrate my new youth!
!حان الوقت للاحتفال بشبابي الجديد
Ab heute wird meine
neue Jugend gefeiert!
¡Es hora de celebrar mi nueva juventud!
¡Es hora de celebrar mi nueva juventud!
C’est une nouvelle page
qui s’écrit !
È il caso di festeggiare
la mia ritrovata giovinezza!
É hora de comemorar
minha nova juventude!
Сегодня начинаю воспевать новую юность!