Was Natsuki's first love, Atri? His beautiful childhood memories are gradually being overwritten. Despite his unwillingness to admit it was her the facts around him are lining up to force him to, but he continues to deny it. 
You're thinking that she 
might have emotions, right?
تعتقد بأنّها تمتلك عواطفَ ربّما، صحيح؟
Du denkst, sie könnte
echte Gefühle haben, oder?
Crees que tiene emociones, ¿no?
Crees que tiene emociones, ¿no?
Tu la soupçonnes d’éprouver
des sentiments, pas vrai ?
Stai cominciando a pensare che anche lei
abbia delle emozioni, vero?
Você tá achando que ela
talvez tenha sentimentos, né?
Размышляешь, есть ли у неё чувства?