* MemeticMutation: [[http://static.tvtropes.org/pmwiki/pub/images/olev.png Aikawa]] is [[ForeignersWriteBackwards ol]][[UsefulNotes/JapaneseLanguage ev]].
* NightmareFuel: At the climax of the CaptureTheFlag game, with Maki taken out and Aikawa alone, everyone else advances on Aikawa prepared to soak him down with their water guns... but for a big, [[SplashPage two-page spread]] the scene is presented as if a gang of would-be rapists has their latest victim cornered, including their dialogue. It's really [[MoodWhiplash chilling and disturbing]] right in the middle of a story about a bunch of teens running around with squirt guns on a hot summer day.
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