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...
Not a new teacher?
لم يكن أستاذًا جديدًا؟
Ist der nicht ein neuer Lehrer?
¿No es un nuevo profesor?
¿No es un nuevo profesor?
C’est pas un nouveau prof ?
Non sembra più un nuovo professore?
Não é um professor novo?
Не новый учитель?