Itoshi no Nekokke: Summer Book

A 32-page Itoshi no Nekokke doujinshi created by Haruko Kumota for Comiket 100. The story follows Mii-kun and Kei-chan as they return to their hometown of Otaru for the Obon holiday.
Also includes a bonus manga about Haru-kun and Kitahara-san.

Note: Released at Comiket 100.