1989韩国剧情·家庭
Afterwitnessingaboycommitsuicidebecauseofstressinschool,threehighschoolfriendsinventamachinethatallowsonetosuccessfullystudywhileasleep.DubbedtheKul-kulmachine,theytestitonthelowestrankedstudentintheirclass.TheirexperimentisasuccessandthestudentgetsallA'showever,hediscontinuesusingthemachinebecausehisfriendshavebeguntoavoidhimnowthatheissosmart.