剧情介绍：
Inthefuture,humansaredividedintoSexNegativesandSexPositives.ThenegativesgetsickiftheyhavesexsotheygotoCafeFleshtoseepositiveswhoareforcedtoperformonstageforthenegatives.Lanaisapositivewhoeveryonethinksisanegativeandshemustdecidewhethertoecleanornot.