Saber Marionette is a science fiction anime series set in a future world where only men exist. The story revolves around Lime, Cherry, and Bloodberry, three androids called Marionettes, and their master, Otaru Mamiya. Tasked with protecting him and discovering their own humanity, the Marionettes embark on various adventures. The series explores themes of love, identity, and what it means to be truly human.