17-sai. (17歳。, Jūnana-sai., "17 Years Old") is a manga with the story by and art by , published in 2004–2005. It depicts the kidnapping and rape of a girl, based on the murder of Junko Furuta. It was published in Japan by Futabasha and serialized in Manga Action. It was published in Spanish in Spain by Ediciones Mangaline as 17 Años ("17 Years"), in French in France by naBan Editions as 17 ans une chronique du mal ("17 years, a chronicle of evil"), and in Taiwan by Tong Li Publishing.