Description: The lovely Reiko has taken a new teaching job at a creepy old high school. She is an extremely attractive woman and the young students in her class have fallen for her. One night, after tennis practice, she is brutally assaulted in the locker room shower by a man with a stocking over his face. Left on the floor naked and in shock, she discovers a single puzzle piece left behind by the crazed man. A few days later, a pair of students enact a perverted sexual revenge on Reiko for kicking someone off the tennis team. Could one of these students be the man who brutalized her in the locker room? Who owns the strange puzzle piece? As the mystery unfolds, Reiko must come to terms with her own sexual urges and fate.
希文世界，粮食问题日益严重。 高度发达的科技与农业形成对立。 人们无法拆掉研究设施开垦土地，只能将希望寄托给一个个研究所。最后他们研究出了一种病毒，它能让粮食作物疯狂生长。 在人们喜出望外时，病毒开始慢慢的荼毒这个世界。 变异感染体袭击人类，诞生出的终焉者是末世的宣告还是新文明的启示…… 人们将何去何从……