S.S. Astro

is a Japanese four-panel comic strip manga by Negi Banno. The manga started serialization in Houbunsha's seinen manga magazine Manga Time Kirara Carat on February 24, 2005, and the first bound volume was released on February 27, 2007. However, the manga has not appeared in the magazine since November 28, 2007 and was considered to be on indefinite hiatus. Yen Press licensed the series for release in English, and released the first volume on August 12, 2008.

ASTRO stands for "Asashio Sogo Teachers&apos; ROom"

Plot
Set in the present, the story focuses on the exploits of first time teachers Izumi Maki and Yuko Nagumo as they begin their teaching jobs at the school they used to attend (Asahio Shogo). Other faculty members include Setsuna Arai, the school's nurse, and Kaname Karasuma, a veteran teacher.