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Your Own A5: Birth Book Notebook: Custom Notebook Planner, Loose-leaf 20-hole (22-hole): Monthly Schedule Planner: Receive a complimentary Birth Book Uni-ball One pen with every Laconic purchase

Your Own A5: Birth Book Notebook: Custom Notebook Planner, Loose-leaf 20-hole (22-hole): Monthly Schedule Planner: Receive a complimentary Birth Book Uni-ball One pen with every Laconic purchase

Regular price ¥1,780 JPY
Regular price Sale price ¥1,780 JPY
Sale Sold out
Tax included. Shipping calculated at checkout.
■ Please select a note type
Contents only / Bound notebook
Refills Only / Loose-Leaf Paper, 22-Hole
Laconic TK Cover & Bound Notebook
PDF only / Sent via LINE
Black Lakonic 20-Hole Binder & Loose-Leaf Paper 20-Hole (22-Hole)
Make a Cover from a Paper Bag: Handmade Planner Kit / Bound Notebook
■ Please select a note type

1. Choose your preferred notebook type from the combo box.
2. Select your preferred line color.
3. Choose a one-point image to add.
 You can place your favorite photo or illustration in a small size near the top of the page.

Choose your favorite colors and designs to create a notebook that you will look forward to opening every day.

You can also place orders for custom notebooks at Tsukiya Bookstore Kokufu Branch and Birth Book Coffee.

* Colors may appear slightly different depending on your PC or smartphone. Please note that the actual colors may vary slightly, so please use these as a reference only.


Perfect for time spent with yourself. The appeal of the A5 size.

A5-sized notebooks are the perfect size for diaries and reflective journaling. Neither too small nor too big, they provide just the right amount of space to jot down your daily feelings and events, allowing you to focus and engage with yourself.

In Japan, the A5 size has long been a popular choice for diaries. It appeared in stationery catalogs from the Taisho and Showa eras as the standard for diaries, and even today, many still consider A5 the "classic diary size." It is easy to write in every day, easy to store, and convenient to look back on later.

・As a diary to record daily events and feelings
・As a notebook to write your thoughts and reflections after reading a book
・Also recommended as a life log for recording trips or organizing your schedule

It is slightly wider than B6, providing enough space to write down everything you want, yet more compact than B5, making it easy to carry around. With a size that fits perfectly in your hands, you can easily open it at a cafe or on the train.

The A5 size we have chosen is also compatible with the A5 size from the planner brand "LACONIC." It is a versatile size that is easy to pair with various planner covers and notebook cases, allowing for a wide range of uses.


The loose-leaf paper for Birth Book Notes is a special 20 (22) hole type with two more holes than usual. This "22-hole" design is a user-friendly specification created to fit B5 binders, A4 binders, and multi-hole binders commonly used in Japan. Having more holes than standard loose-leaf paper offers the following benefits:

- Can be inserted directly into binders from various manufacturers
- Pages are less likely to wobble and remain firmly stable
- Even when adding extra pages, they are less likely to become misaligned
- More resistant to tearing even with long-term use

It is especially convenient for those who:
- Want to include A5 leaves in their B5 binder
- Use different binders for school, work, and home

■ You can swap out just the “insides” of your current A5 planner.

The insides of our Birth Book Notebooks are designed to fit into standard A5 planner covers. This means you can keep your favorite cover and simply replace the contents with a new refill. It is perfect for those who want to keep using the cover they love.

● A5 size that slides right in
The page size is standard A5 (148mm × 210mm). It fits perfectly into most A5 covers, including those purchased at stationery stores, designer covers, or A5 planners received as gifts.

● Update your current planner to suit your style
By replacing just the insides, you can evolve your planner to fit your preferences—even while keeping your existing cover—by:
Changing the line color
Changing the paper quality
Choosing between loose-leaf, refills, or bound notebooks
Selecting page layouts to match how you use them

● Use your cover for a long time without buying a new one
The more you use a planner cover, the better it feels in your hand. This is a very convenient method for those who want to keep using their current cover. Because you can swap out just the pages, you can have a "brand new" notebook for any purpose, including:
Household account books
Study notes
Diaries
Bullet journals
Work memos

● Please note (regarding A5 size variations)
Depending on the manufacturer, there may be slight differences in the dimensions of "A5" planners.

Examples of common differences:
Planners where the cover is A5, but the paper inside is made slightly smaller.
Planners where the inner paper is exactly A5 size (roughly the same size as our product).

Birth Book Notebooks are A5 (148mm × 210mm). Depending on the cover, the amount of clearance may vary, and the fit when inserted may differ. Our notebook covers have their cover pages slightly trimmed to ensure they fit properly.

If you are concerned about compatibility with your cover, please feel free to contact us. Our staff will be happy to carefully check if it will fit your specific cover.

■ Pens that pair well with this paper

The "Japanese Book Paper" used for Birth Book Notes offers an excellent writing experience and is compatible with a wide variety of pens. Here, we introduce the pens we especially recommend.

● Uni-ball Jetstream
The Jetstream is a ballpoint pen that writes very smoothly without skipping, even when writing quickly.

It is ideal for:
* When you need to take notes in a hurry
* When you want to write extensively during meetings or lectures
* When you don't want your pen to stop or skip at the start of a sentence

With a steady ink flow that allows for effortless writing, this is a pen that makes the very act of writing feel pleasurable.

● Pilot Juice Up 0.4
The Juice Up is a pen that allows you to write very beautiful characters when you take your time.

Many people find that when they slow down and write carefully, they think to themselves, "My handwriting looks different and more beautiful than usual."

It is perfect for:
* When you want to write in a diary
* When you want to take your time and organize your thoughts
* When you want a clean, polished appearance

Since the lines are thin and stable, it pairs perfectly with A5-sized notebooks.

● Zebra Sarasa
The appeal of the Sarasa is the vast variety of colors available, allowing you to choose one that matches your mood. It’s perfect for days when you want to write in a fun way, as it helps boost your motivation.

In particular, the colors green and brown pair well with the cream-colored pages of the Birth Book Note, creating a gentle, aesthetic feel.

We recommend this for those who want to enjoy the combinations of paper and ink colors.


Our notebooks feature lines printed faintly only on the front side.
We have intentionally left the back side blank.
This is because we want you to use the back as freely as a blank page, with the lines from the front showing through just enough to guide you.

We hope you enjoy the pleasure of writing on pure white paper and the joy of using it in your own unique way.

Even without explicit guides, the lines from the front provide gentle support, making this a friendly paper that allows you to write straight or draw freely at your own pace.

Furthermore, we use water-based ink to achieve a soft, crayon-like line.
Because of this, the ink is very delicate and prone to bleeding if it gets wet.
Please be a little careful and keep it away from rain and water droplets.

【Size】Width 16.7 x Height 22.6 x Thickness 2.2 cm
【Number of holes】20-hole binder
【Material】Cover: Vinyl paper; Binding mechanism: Plastic; Includes elastic band
【Features】An attractive item that balances simple design with functionality, featuring a compact size designed for portability. Comes with an elastic band to keep contents securely held.
Binding hole spacing: Adopts the highly versatile JIS standard (9.5mm pitch)

This is a collaboration item between Laconic and Timekeeper. It features a front pocket where you can store pens and other items. Having this single item will help you avoid forgetting your things.

About Lead Time
All of our paper products are made to order after we receive your request.
Therefore, it will take approximately 14 days from the date of order until shipment.

Additionally, as these are one-of-a-kind custom-made items,
we cannot accept returns unless the delivered product is defective.
We kindly ask for your understanding.

Digital notebook compatible

The custom notebook you have selected will be delivered to your LINE account as a PDF file. You can use it as a PDF notebook that you can print as many times as you like using your home printer.

The PDF data can also be imported directly into handwriting apps such as GoodNotes, Noteshelf, and other iPad apps, making it highly convenient for those who wish to use it as a digital planner. You can use it as a digital version of your custom notebook, allowing you to quickly jot down notes while on the go.

To receive the PDF, you must link your LINE account in advance. You can easily link your account from the account screen, so please prepare for receipt.


You can pick up and pay for your ordered items at the following stores:
• Tsukiya Shoten, Matsushige Branch
• Tsukiya Shoten, Kokufu Branch
• Tsukiya Shoten, Apika Anan Branch
• Birth Book Coffee

By ordering online, you can pick up your items smoothly at the store without waiting. Please feel free to use this service.

With Network Print, you can easily print documents at a convenience store whenever you need them. It is useful for items like school handouts and schedules, which you can then organize with your stationery. Please note that there is a fee for this service; let us know if you would like to use it.

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