Kobato and Osanai are invited to Dojima's house, where he makes them cocoa using his special method. When Osanai leaves, Dojima asks Kobato about her change in personality. 
Why not?
لِمَ لا؟
Wieso nicht?
¿Por qué no?
¿Por qué no?
Pourquoi ?
Perché?
Por que não?
Почему?