Introducing an item packed with the cuteness of the character from the children's clothing brand "Mezzo Piano Junior" and the globally beloved character Hello Kitty.
Kitty's loveliness adds color to your everyday life and makes you feel cute too, within the sweet and romantic world of Mezzo Piano.
Functionality and ease of use
• Magnetic A5-size system organizer
Opens and closes with one touch, and won't open on its own inside your bag, so you can use it with peace of mind.
• Interchangeable refills
Can be freely customized to suit your needs, such as a planner, life log, or diary.
• Side pocket
Can store sticky notes, cards, photos, and more, making it highly useful not only for work and study but also for personal use.
An exceptionally special design featuring elegant pastel colors typical of Mezzo Piano, sprinkled with Kitty's ribbons and motifs.
Combining elegance and cuteness, it is perfect for both adult women and students.
This limited-edition collaboration item is also ideal for your collection. Recommended as a gift.
Included refills
• Standard ruled (A-ruled) 64 sheets
• Grid 4 sheets
• Unlined 4 sheets
• Dot 4 sheets
• Unlined (with perforated cut lines) 4 sheets
• Weight: 488.3g
• Cover size: W226 × H172mm
• Notebook interior size: W208 × H142mm
• Ring diameter: Approx. 2cm
• Cover material: PU leather
Scheduled shipping: Shipping sequentially from late November 2026
[Purchase Bonus]
For purchases of 8,000 yen (tax included) or more, receive one original transfer sticker as a gift! Simply stick it on accessories or stationery to create your own "cute world." It is a girly and stylish decoration item that is perfect for smartphone cases and PCs.
✔ Transfer type that adheres firmly and finishes beautifully just by sticking it on
✔ A special design packed with girliness
✔ 1 type in total / 1 per order (limited quantity)
*Available while supplies last.
*This sticker is not sold separately.
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