Natsuki has been acting strange and seems to have his head in the clouds through everything he does. After being interrogated by Minamo and the others, he reluctantly confesses to them that he kissed Atri in the ocean. 
Why are you happy?
لماذا أنتِ سعيدة؟
Und warum bist du glücklich?
¿Por qué te alegra eso?
¿Por qué te alegra eso?
Pourquoi ça te fait plaisir ?
Perché ti rende felice?
Por que isso te deixa feliz?
Почему рада?