Osomatsu-san is an anime produced to commemorate the 80th anniversary of the birth of manga artist Fujio Akatsuka. This is an original story in which the six children of his original manga "Osomatsu-kun" have grown up, and is gaining popularity mainly among women.
There are six types of notebooks in the lineup: Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Jyushimatsu, and Todomatsu. A famous scene is drawn on the front cover, a silhouette of the character is drawn on the back cover, and the inside is a plain white free book. B5 size, price is 324 yen each (tax included).
(C) Fujio Akatsuka / Mr. Osomatsu Production Committee