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. 
she won't be able to respond properly.
فلن تتمكّن من الاستجابة كما ينبغي
даже если испытывает чувства.