[Del Rey]: Ryouusuke Akiba calls itself, the code name is taken from a mysterious scientific experiment. Reusuk will live at least two centuries and has strange mental abilities, he can penetrate the consciousness of people, reveal their darkest secrets, even rearrange their memories so that completely unfamiliar people relate to him as a family. Ryousuke acts not from the malice, but because of the survival of Tokyo, wandering for reasons that he knows only. No one recognizes him as he is, until the doctor recognizes him. Mine Kujyou, a decisive researcher, meets someone who challenges everything that she knows about science: she, owner of the eternal Saturday gene. But is he the only one?