According to the official website, K-ON!!
will be used for the image characters of Japan National Census in Kyoto Prefecture. The census will be carried out in October 1st.
Notice of National Census with K-ON! characters
Restaurant chain Denny's has been collaborating with K-ON!! since July 20th. Special dessert are served until September 6th.
Denny's x K-ON!! official website
Photo report of the dessert by GIGAZINE
The collaboration campaign was originated from an online topic about the resemblance between Denny's original picture
and K-ON characters. Denny's said "The picture was not related to K-ON, but it created a great sensation, so that we asked TBS for collaboration."
Ohmi Railway will sell special tickets featuring K-ON!! characters on July 28th. Ohmi Railway runs close to Toyosato Elementary School, the model school of K-ON.
K-ON!! railway tickets
Source: K-ON official website