Kariu Rena is thrown for a loop by what she thinks is Chizuru's spiteful behavior toward her.
Then why not?
لِمَ لا إذًا؟
Also, warum dann nicht?
Entonces, ¿por qué?
Entonces, ¿por qué?
Pourquoi pas, alors ?
E allora perché no?
Então por que não?
Тогда почему?