The official Twitter account of Sho-Comi announced that the Teito Hatsukoi Shinjuu manga will end in the December issue of Sho-ComiX on November 15th .
Teito Hatsukoi Shinjuu is set in the Taisho era and follows the story of 16-year-old Kaori Yoshino. Kaori marries the famous 20-year-old Earl Tamaki Misono, president of her family's rival company. Although it's an arranged marriage, Kaori can't resist Misono's love.
The manga then entered its final arc in the Sho-ComiX issue that was released on May 15th.
The 9th volume of the manga will therefore be the final volume, and will be released this winter.
Source: ANN