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. 
They're not something you 
can understand so easily.
إنّها ليست شيئاً يمكنكِ فهمه بسهولة
No es nada fácil comprenderlo.
No es nada fácil comprenderlo.
Ce n’est pas facile
de les comprendre,
Non si può comprendere tanto facilmente.
Não é algo tão fácil
de ser compreendido.