Sinopse: The story is set in \"No. 6,\" a future model city in 2013. Raised as a top-ranking elite since the age of 2, a boy named Shion lives in an exclusive area in No. 6. On the night of his 12th birthday, he rescues a boy who calls himself \"Nezumi\" (\"Rat\"). Nezumi ran away from the city\'s Special Security Area. From that moment on, Shion\'s life is changed forever… *Adapted from the novel series of the same name.*