Urumi's teacher admits that she was the cause of Urumi's mistrust towards teachers. When Urumi was younger, she accidentally revealed the secret about Urumi's father.
Huh? Differential calculus?
حساب التفاضُل ؟
Hä? Differentialrechnung?
¿Eh? ¿Cálculo diferencial?
¿Eh? ¿Cálculo diferencial?
C-Cálculo diferencial?