Osanazuma de Gomen! summary: Lonely delinquent Manatsu Morisaki (18) receives a marriage proposal from her teacher Shinobu (26) after graduating from high school, and they tie the knot after zero days of dating. But even after becoming husband and wife, former teacher Shinobu continues to treat Manatsu like a student—when Manatsu wants to be treated like a wife!