* LesYay: Miu likes to invoke this. The other girls aren't very receptive.
* {{Memetic Mutation}}: Ana's facial expression (Google "gununu" for details) has become a popular visual meme.
** MemeticMolester: Nobue. Sometimes her affection for Ana and Matsuri seems not entirely innocent.
* {{Moe}}
* TastesLikeDiabetes: The anime's opening and ending sequences. The show itself manages to avoid this thanks to its muted, deadpan delivery.