Chiikawa Manga Special Edition - (Tokusōban Vol. 6 / Vol. 8)

Vol. 6 Tokusoban includes:

It includes a Chiikawa Goshuin-style notebook (御朱印帳).
This is a traditional Japanese-style stamp book design, adapted into a cute Chiikawa collectible version.

Vol. 8 Tokusoban includes:

It comes with a special notebook set (ノートセット).
This edition includes exclusive Chiikawa-themed notebooks only available in this Special Edition release.