Cospa’s store is starting to take extra early advance orders for a mass amount of items related to Hitsugi no Chaika. One of the items includes a rather nice T-Shirt (2,900 yen), a tea mug (1,000 yen), and cleaning cloths (400 yen). The items are arriving to their Nijigencospa bishojo lines in October.
Below are the items as listed on the site which you can buy:
It also seems toranoana is doing a prize lottery, featuring hug pillows and 3D mousepads:
And finally the Comiket 86 tapestry: