Hayato and Rin find themselves in danger of committing "indecent coed relations" while trying to stop another couple of students for doing the same thing.
Indecent sexual relations 
on campus are prohibited!
Unanständige Beziehungen
sind in der Schule verboten!
È proibito avere relazioni indecenti a scuola!
É proibido fazer coisas 
indecentes dentro da escola!