Wiki quote:I want to see a video with this. Sounds like an adorable quirk 
if you have sp missing moon and choose this answer for the morning greeting ちはやん~おはようにゃん~(Chihayan~ ohayounyan~) and get it right or whatever, she bursts out laughing.
in the xbox version if you greet her in the morning saying "good evening" thinking its a joke she also bursts out laughing
also in the drama CD she rofled at really lame jokes ami mami made
and haruka and yayoi were like
