Afilmadaptationofaplaymadebyahighschooldramaclub, directedbyYamashitaNobuhiroofLindaLindaLinda(2006).It’sessentiallyacoming-of-agefilmaboutteenagersmadebyteenagers.Duringsummervacation, atahighschool, thePEteachermakesfemalestudentswhoskippedhisclasscleantheoutdoorswimmingpool.Thedrainedpoolisfullofsandblowninfromanearbybaseballfield, andthetaskofscoopingupthesandandputtingitinbucketsseemsmeaningless.Chizuru, whousedtobeunbeatableintheswimclubinmiddleschoolevenagainstboys, practicesimaginaryswimminginthesand-filledpool, whileKokoro, whoisseriousaboutcultivatingherfemininecharmbydiligentlyapplyingmakeup, doesn’tcareaboutcleaning.Withtheirownstories, Miku, whodiligentlypracticesdancemovestypicallyperformedbymen, andYui, whowastheswimclubcaptainlastyear, andtheothergirlsmeetandconverseonthepoolfloorunderthesummersun, whereunexpectedconflictsariseandresolveinunexpectedways.Throughafewhoursinadayatahighschool, thefilminterestinglyshowsthesensibilitiesanddesires, dreamsandhopes, angerandfrustrationofthattime.！