This 2026 diary features gentle, heartwarming cat illustrations and columns by illustrator Sayo Koizumi. The theme for the 2026 edition is "The Cats of the Koizumi Household." It’s filled with scenes from the daily lives of the four unique cats that live with Koizumi. At the end of the diary, there’s a special column titled "A Kitten Joins the Family!" It shares the story of a new kitten that arrived at Koizumi's home while she was working on the illustrations for this edition.

This planner is recommended for those who want plenty of space to write schedules and notes. It comes with handy index tabs. Each month includes a monthly block page followed by a two-page weekly spread with a memo section on the right side. The memo pages feature a “My Memories” section where you can record events and memorable moments from the entire year.

• Pocket Diary B6 Cat 2026 Datebook
• Cover: PVC, with pen holder
• Contents: Annual calendar, yearly schedule, monthly schedule (January 2026 – March 2027), weekly schedule (January 2026 – December 2026), memo pages, "My Memories" section, personal information page – total 192 pages
• Specifications: Thread binding, with bookmark ribbon, index tabs, MD PAPER, Includes PP cover
• Package: H180×W126×D12mm / Product: H175×W123×D12mm
• Made in Japan