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. 
I can feel how much heart 
you put into it then.
أشعر كم كرّستِ قلبكِ وأنتِ تُعدّينها
Dann steckt sogar mehr Herz darin.
Ça te donne un côté plus humain.
Чувствуется, что готовила с душой.