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. 
That's what I was taught...
...هذا ما تمَّ تعليمي إيّاه
weil man sie mir beigebracht hat.
me lo enseñaron.
me lo enseñaron.
je les avais déjà entendus.
me lo hanno insegnato.
Me ensinaram assim.
этому… меня научили.