Wakasa is shocked when Tatsumi leans over the tub and announces it stinks. Tatsumi cleans the tub responsible for the odor and transfers Wakasa to a children's pool. Saying, "Brother, tell me if you're using the pool," Kasumi mistakes Wakasa for Tatsumi and hugs him.
Why not? Give me a good reason!
ولمَ لا؟ امنحني سبباً مُقنِعاً‏!‏
Warum? Ich will eine schlüssige Erklärung!
¿Por qué? ¡Dame una 
razón más convincente!
¿Por qué? ¡Dame una 
razón que me convenza!
Pourquoi ?
Por que não? Dê um bom motivo!