Fourth Season of Hidamari Sketch Announced

According to the official website, the fourth season of Hidamari Sketch was announced. The sixth volume of the manga will be released on August 27th.

According to Neowing, the previously announced new special of Hidamari titled "Hidamari Sketch x SP" will be released on November 23rd.

Aoki Ume's new story manga was announced at Comiket 80. Details of the manga will be revealed this winter.

Sources: Hidamari official website, Picture of the notice at C80, Neowing

Hidamari Sketch 4th Season on MAL
Hidamari Sketch x SP on MAL