『18禁不禁』介紹(shao):80年(nian)前(qian),男的教(jiao)(jiao)畫畫、女的教(jiao)(jiao)彈琴(qin),在(zai)(zai)同一高中(zhong)內二人靜(jing)靜(jing)地(di)戀上。情事不能公開,男的只可(ke)在(zai)(zai)隔壁(bi)偷聽她(ta)的琴(qin)聲(sheng)。一天鋼琴(qin)搬(ban)走了,男教(jiao)(jiao)師突然失蹤(zong),女的便傷心而(er)(er)終。多年(nian)後,戲劇組女學生自殺身亡,沒(mei)留下(xia)遺書,餘下(xia)的竟是(shi)80年(nian)前(qian)女教(jiao)(jiao)師愛彈的那篇樂章!她(ta)的戲劇遺作中(zhong),又竟與(yu)十(shi)(shi)誡(jie)中(zhong)的引(yin)言有關?怪事接踵而(er)(er)來,命案(an)也離奇(qi)地(di)相(xiang)繼發(fa)生。更(geng)離奇(qi)的是(shi)每(mei)宗(zong)命案(an),都似(si)乎(hu)與(yu)新來的男生有關…改編自日(ri)本暢銷過十(shi)(shi)億的「死者之學園祭」。 80 years in the past, an unfulfilled love between two teachers in Tezuka Academy tragically leads to mysterious death. Many years later, Yuko, a Drama club student, kills herself by jumping off the school rooftop, leaving no suicide note but a pieve of music that the dead music teacher who used to play. Yuki, the best friend of Yuko, decides to stage a play Yuko failed to finsish. but when Yuki begins to suspect that a quotation from the Old Testament in Yuko’s script is in fact a last message, tragedy strikes around her.