S.A is a shōjo manga by Maki Minami. The series started serialization in the bimonthly magazine The Hana to Yume in 2003, and moved to the biweekly magazine Hana to Yume in 2004, after running for four chapters. The series ended after 99 chapters on March 19, 2009.
Cover of the first manga volume
The Hana to Yume is a Japanese shōjo manga magazine published by Hakusensha on 25 January, April, July, and October.
Cover of the March 2014 issue of The Hana to Yume, published by Hakusensha on January 25, 2014