After the Dawn Rebellion, Char travels to Earth and meets a girl with mysterious powers named Lalah Sune. Meanwhile, Amuro's father Tem Ray is working on the RX-78 development project. Learning of the defection of Doctor Minovsky, a key figure in Zeon mobile suit development, he heads for the moon. History's first battle between mobile suits unfolds in the twilight zone of the ...。“那女孩究竟是谁?” 美少女「藤乃朱」意外坠楼身亡后,一个女孩自称是「朱」的孪生妹妹「樱」,某日突然出现在作家·沟吕木面前。名为「樱」的少女长得和朱一模一样,但是却无人能够证实她的来历。亟欲从两人身上找到关联的沟吕木,本身也因为抄袭事件身陷泥沼无法自拔。抄袭了朱的小说的沟吕木,接受了自称持有被抄袭小说原稿的樱的提议,被逐渐逼入黑暗之中。同时,相关编辑和负责追查「朱」之死的真相的刑警也在背后穷追不舍。围绕着这几人展开的谜团,越发难以解开———。