Introducing items filled with the cuteness of the children's clothing brand "Mezzo Piano Junior" characters and the globally beloved character Hello Kitty.
Hello Kitty's loveliness will brighten your daily life and make you feel cute, all within the sweet and romantic world of Mezzo Piano.
Functionality and Ease of Use
• Magnetic A5 size system organizer
Opens and closes with a single touch, providing peace of mind that it won't accidentally open in your bag.
• Refills are replaceable
Freely customizable for various uses such as a schedule book, life log, or diary.
• Side pocket included
Can store sticky notes, cards, photos, etc., making it perfect for work, study, and personal use.
A special design featuring pastel colors characteristic of Mezzo Piano, embellished with Hello Kitty's ribbons and motifs.
Combining elegance and cuteness, it's perfect for both adult women and students.
This limited-edition collaboration item is also ideal for collecting. It makes a great gift too.
Included refills
・Ruled (A-rule) 64 sheets
・Graph rule 4 sheets
・Plain 4 sheets
・Dot rule 4 sheets
・Plain (with tear-off perforations) 4 sheets
<Size and Material>
・Weight: 488.3g
・Cover size: W226 × H172mm
・Notebook inner size: W208 × H142mm
・Ring diameter: Approx. 2cm
・Cover material: PU leather
Shipping schedule: Sequential shipping from late September 2026
【Purchase Bonus】
Receive one original transfer sticker when you purchase 8,000 yen (tax included) or more! Simply stick it on your belongings or stationery to create your own "cute world view." This girly and stylish decorative item is perfect for phone cases and PCs too.
✔ Transfer type that adheres firmly and creates a clean finish with just a stick
✔ Special design packed with girlish charm
✔ All 1 type / 1 sticker per order (limited quantity)
※Ends when supplies run out.
※This sticker is not sold separately.
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