GAACAL x Mezzo Piano x Hello Kitty Adult Notebook

$42.11 (税込)

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.


© NARUMIYA INTERNATIONAL CO., LTD.  
© 2025 SANRIO CO., LTD. APPROVAL NO. L663394

Thank you for using GAACAL.
Please check the following before purchasing.
◆About price notation
All prices listed are inclusive of tax.
◆ Regarding inquiries
For inquiries, we will only respond via email. Please contact us at info@gaacal.com.
◆Trouble receiving emails
Once your order is complete, an automatic email will be sent to you confirming your order.
If you have not received the e-mail, please check whether it has been sorted into your spam folder or whether it has been blocked or deleted by an e-mail filter.

If you have set your email settings to allow or block emails, you will not be able to receive emails after registering as a member or placing an order. As a workaround, please set your email settings to allow emails from the address "info@gaacal.com".

If you do not receive an email within a certain time, please contact us using the details below.
Customer Support↓
info@gaacal.com
*Please also set up your email address so that you can receive emails from this address as well.
◆About cancellations
▼If you have already made a purchase and paid, we cannot accept cancellations or changes. This is because we need to secure stock and prepare for shipping.
▼If you wish to cancel your purchase after not paying, please cancel the payment. Your order will be automatically cancelled in a few days.
▼Obviously, cancellations are not possible after shipment. If you refuse to receive the item and are forced to cancel and return it, we will not be able to resend the item, cancel the order, or refund you the item. This is because the shipping fee has already been incurred.
▼The system does not allow you to extend the payment deadline. If your order is automatically canceled, you will need to place a new order.
◆About returns and exchanges
We do not accept returns or exchanges for reasons of customer convenience.

▼Wrong order▼Wrong size or color ordered▼Image differs from actual product▼Problems with delivery, such as not arriving on the planned date▼Already used, altered, or damaged▼If more than 3 days have passed since arrival▼Other purchases due to insufficient customer confirmation

We will accept returns and exchanges for the following two items.
If you receive a product that is different from the one you ordered, or if the product is defective, please contact us within 3 days after checking the product.
For products that are in stock, we will process the exchange.
For items that are out of stock, we will process a refund.
◆Shipping estimates: For those ordering Apple Watch bands, smartphone cases, miscellaneous goods, etc., it will take approximately 2 weeks for shipping after payment has been confirmed.

◆About shipping costs
All our deliveries are made via Sagawa Express, Yamato Transport, or Japan Post.
The shipping method will be selected according to the size of the product and the delivery address.
Please note that we cannot be held responsible for any loss, damage or other issues that occur during delivery.
Domestic shipping is free for orders over 2,000 yen.
Nationwide shipping fee is 500 yen (excluding Hokkaido and Okinawa)

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For Hokkaido and Okinawa:
Hokkaido shipping fee: 1100 yen Okinawa shipping fee: 2,300 yen

*Free shipping for orders over 5,000 yen in Hokkaido.
*Free shipping for orders over 8,000 yen to Okinawa.

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