ONE PIECE magazine: Going Merry Logbook A5 Cousin Size - Techo Lineup

ONE PIECE magazineGoing Merry LogbookA5 Cousin Size

In the smash-hit manga One Piece, Straw Hat Luffy goes on an adventure with his friends in search of “the One Piece,” a legendary treasure. ONE PIECE magazine dives into the charms of the hit manga series in order to help fans further enjoy the world of One Piece. We have a special collaboration with ONE PIECE magazine.

This cover is based on the Going Merry’s Logbook from the series, as a means of providing users with a logbook of their own to map out the adventures of both their daily and long-term lives and bring along as a companion to their daily adventures for recording what happens.
Now you can write your own personal logbook under the protection of the Going Merry.

The trifold cover uses genuine leather that’s black and smooth to the touch. The cover has a chic design that matches well in any setting.The cover exterior is solid black and accented with a gold-colored button shaped like the face on the Going Merry ship.

The cover interior contains a cloth section that’s printed with a nautical chart to give the cover the true feel of a logbook. There’s a pen hook on the right-hand side to store a pen.

The left-hand side contains several card pockets. The phrase “Vivre Card” is foil-pressed on the bottom left of the pockets because you can store items here that are as important as a Vivre Card. The bookmarks have red and off-white ribbons to match the colors of the Going Merry ship flag.

There’s a pocket on the right-hand side that’s foil-pressed with the phrase “Going Merry
Logbook”.

When you purchase this cover, you’ll receive it inside a special cotton drawstring bag modeled after the Going Merry ship flag. You can store not only your techo in here, but various other items such as stationery, accessories, or anything else you please.

We recommend pairing this cover with the Hobonichi Pencil Board for A5 Size (Memories - Fish-Man Island), which offers a comfortable writing surface under your current page.

We’ve also made a series of ONE PIECE magazine x Hobonichi Techo stationery items that are fun to use with your techo. The One Piece themed techos and stationery are all exclusively part of this collaborative collection.

© Eiichiro Oda/SHUEISHA

In the Hobonichi Techo 2025 lineup, the Cousin book comes in either English or Japanese.

*The English book is only available as the January-start version.

The Hobonichi Techo leather covers are made with all-natural materials that have their own unique appearance. Every leather cover is a one-of-a-kind, all-natural product, so you can feel good knowing your cover is the only one like it in the world. Here are some of the unique characteristics you can expect to find.

- Markings that naturally occur during an animal’s life:

Wrinkles, veins, texture, and scratches

- Characteristics from the manufacturing process of natural leather:

Dark spots (occurs when components of the leather are exposed to iron in the air during the tanning and dyeing process)

Lots of details on the inside too

I wanted this design to look like a chic leather cover at first glance, but incorporate details from the One Piece series. Last year, we made the “Going Merry Logbook” cover as our first collaboration together. We went all out with that cover and based it on the Going Merry pirate ship beloved by One Piece fans. It had a cute button based on the shape of the Merry, a nautical chart on the interior material, a brand card designed like a Vivre Card, and a drawstring bag modeled after the ship’s mast.

The Thousand Sunny Logbook is this year’s creation for our second consecutive collaboration. In the series, the Sunny is named after a concept by Iceburg: “a ship as bright as the sun that will cheerfully sail through a thousand seas.” I found it really heartfelt how the Sunny still carried on the wishes and memories of the Merry, so I put the Mini Merry II inside the cover as if containing it in a Soldier Dock System. The debossed illustration turned out really well, so I hope you take a look. The drawstring bag and ribbon are red and black like the ship’s mast. The cover interior also includes a nautical chart design on the interior material, but the adventure has continued so far along that it includes up to Wano Country.

The Thousand Sunny Logbook uses natural leather that transforms over time. Just as the Sunny ventures across the ocean on its adventures, time also passes for this cover as it continues along the voyage of its owner... This concept works perfectly with leather that deepens in appearance the more it’s used. I hope you enjoy the passage of time with this very special cover.

Staff List

Photographer: Styled Images: Nobuki Kawaharazaki / Product Detail: Hiroyuki Oe
Stylist: Ayano Nakai

ONE PIECE magazineGoing Merry LogbookA5 Cousin Size

¥23,100 - ¥24,750(incl. tax)
¥19,800(incl. tax)

Normal

Available

Compatible Techo Books

Cousin (A5)1 page per day
Cousin Avec (A5)1 page per day 6-month book
Day-FreeMonthly notebook

[Cousin] Daily Pages (English / Japanese Version)

A daily techo with lots of space to write: This A5-size techo provides ample space on each daily page. It’s great for keeping in one place at home or at work and you can use it to track your child’s growth or exchange with someone.

Monday-start
A5 size
Thickness: 18 mm (0.7”)

Daily pages
Yearly calendar
Yearly index
Monthly calendar
Weekly pages
Memo pages

[Cousin Avec] Daily Pages (2-Book Set)

Each 6-month daily techo is thin and light for easy carry: This techo splits the year into two 6-month books, making it easy to carry while keeping the same page design and layout as the standard edition.

Monday-start
A5 size
Thickness: 10 mm (0.4”) each

Daily pages
Yearly calendar
Yearly index
Monthly calendar
Weekly pages
Memo pages

[Day-Free] Monthly Techo + Notebook

A monthly notebook with undated pages to write freely: This techo starts with monthly calendars and ends with undated graph paper pages so you can write whenever you want, and as much as you want.

Monday-start
A5 size
Thickness: 8 mm (0.3”)

Monthly calendar
Yearly calendar
Yearly index
Graph paper notebook pages

Specifications

Cover

Size	H: 228 x W: 450 x T: 3 mm / H: 9.0" x W: 17.7" x T: 0.1" *Specifications may vary slightly
Weight	Approx. 237 g
Main material	Exterior: Cow leather / Interior; Cow leather, polyester

Book (Cousin English Edition / English / January Start)

Size	A5 size H: 210 x W: 148 x T: 18 mm / H: 8.3"" x W: 5.8"" x T: 0.7"" *Actual book size may vary slightly
Weight	Approx. 445 g
Language	English
Pages	544 pages
Paper Type / Binding	Thin, light Tomoe River paper resistant to bleeding and designed for planners / Stitch-binding
Graph Paper Size	3.7 mm
Start of Week	Monday-start week
Yearly Calendar	2024, 2025, 2026
Yearly Index	Jan. 2025 - Dec 2025 (4 pages)
Monthly Calendar	Dec. 2024 - Mar. 2026 (32 pages)
Daily Pages	Jan. 1 - Dec. 31, 2025 (377 pages) A blank two-page spread is featured at the beginning to provide a free area when starting out the book. A page is included at the beginning of each month to help in planning ahead. Every two-page spread includes one daily quote. Includes a mini monthly calendar at the bottom right of every two-page spread (Monday-start).
Daily Quotes	One quote per two-page spread (English)
Weekly Pages	Dec 30, 2024 - Jan 4, 2026 (106 pages)
Memo Pages	6 pages
Bonus Pages	Time Table / Graph Paper / Favorites / My 100 / Sample Symbols and Icons / How to Have Fun Keeping a Diary / Oodles of Noodles / Words to Remember / 365 Days Check-Off Sheet / Getting the Most Out of Your Hobonichi Techo / Gifts / Addresses / Personal Notes
Listed Information	Day of the year / Week of the year (listed on monthly calendars and weekly pages) / Moon phase (daily pages include every phase, monthly calendars and weekly pages only include full and new moon)
Other	See the Exploring Each Type page for more details

Book (Cousin / Japanese / January Start)

Size	A5 size H: 210 x W: 148 x T: 18 mm / H: 8.3"" x W: 5.8"" x T: 0.7"" *Actual book size may vary slightly
Weight	Approx. 445 g
Language	Japanese
Pages	544 pages
Paper Type / Binding	Thin, light Tomoe River paper resistant to bleeding and designed for planners / Stitch-binding
Graph Paper Size	3.7 mm
Start of Week	Monday-start week
Yearly Calendar	2024, 2025, 2026
Yearly Index	Jan. 2025 - Dec 2025 (4 pages)
Monthly Calendar	Dec. 2024 - Mar. 2026 (32 pages)
Daily Pages	Jan. 1 - Dec. 31, 2025 (377 pages) A blank two-page spread is featured at the beginning to provide a free area when starting out the book. A page is included at the beginning of each month to help in planning ahead. All daily pages include daily quotes. Includes a mini monthly calendar at the bottom right of every two-page spread (Monday-start).
Daily Quotes	One per day (Japanese)
Weekly Pages	Dec 30, 2024 - Jan 4, 2026 (106 pages)
Memo Pages	6 pages
Bonus Pages	Time Table / Graph Paper / Favorites / My 100 / Sample Symbols and Icons / How to Have Fun Keeping a Diary / Recommended Noodle List of 47 Prefectures / Solar Terms / Emergency Preparedness / Gifts / Age Table / Conversion Chart / Getting the most of Hobonichi / Addresses (for 8 people) / Personal Notes
Listed Information	Day of the year / Week of the year (listed on monthly calendars and weekly pages) / Old lunar calendar / Rokuyo (traditional Japanese lunisolar calendar) (listed on monthly calendars) / Solar terms / Japanese holidays / Moon phase (daily pages include every phase, monthly calendars and weekly pages only include full and new moon)
Other	See the Exploring Each Type page for more details

Book (Cousin Avec / Japanese / January Start / 2-Book Set)

Size	A5 size x 2 books Each Book: H: 210 x W: 148 x T: 10 mm / H: 8.3"" x W: 5.8"" x T: 0.4"" *Actual book size may vary slightly
Weight	Each Book: Approx. 260 g
Language	Japanese
Pages	Each Book: 288 pages
Paper Type / Binding	Thin, light Tomoe River paper resistant to bleeding and designed for planners / Stitch-binding
Graph Paper Size	3.7 mm
Start of Week	Monday-start week
Yearly Calendar	2024, 2025, 2026
Yearly Index	Book 1: Jan. - Dec. 2025 (4 pages) Book 2: Jul. 2025 - Jun. 2026 (4 pages)
Monthly Calendar	Book 1: Dec. 2024 - Jul. 2025 (16 pages) Book 2: Jun. 2025 - Jan. 2026 (16 pages)
Daily Pages	Book 1: Jan. 1 - Jun. 30, 2025 (187 pages) Book 2: Jul. 1 - Dec. 31, 2025 (190 pages) A blank two-page spread (three pages for Book 2) is featured at the beginning to provide a free area when starting out the book. A page is included at the beginning of each month to help in planning ahead. All daily pages include daily quotes. Includes a mini monthly calendar at the bottom right of every two-page spread (Monday-start).
Daily Quotes	One per day (Japanese)
Weekly Pages	Book 1: Dec. 30, 2024 - Jul. 6, 2025 (54 pages) Book 2: Jun. 30, 2025 - Jan. 4, 2026 (54 pages)
Memo Pages	Book 1: 8 pages Book 2: 4 pages
Bonus Pages	Time Table / Graph Paper / Favorites / My 100 / Sample Symbols and Icons / How to Have Fun Keeping a Diary / Recommended Noodle List of 47 Prefectures / Solar Terms / Emergency Preparedness / Gifts / Age Table / Conversion Chart / Getting the most of Hobonichi / Addresses (for 8 people) / Personal Notes
Listed Information	Day of the year / Week of the year (listed on monthly calendars and weekly pages) / Old lunar calendar / Rokuyo (traditional Japanese lunisolar calendar) (listed on monthly calendars) / Solar terms / Japanese holidays / Moon phase (daily pages include every phase, monthly calendars and weekly pages only include full and new moon)
Other	See the Exploring Each Type page for more details

Book (Day-Free A5 size / Japanese / Monthly)

Size	A5 size H: 210 x W: 148 x T: 8 mm / H: 8.3"" x W: 5.8"" x T: 0.3"" *Actual book size may vary slightly
Weight	Approx. 220 g
Language	Japanese
Pages	224 pages
Paper Type / Binding	Thin, light Tomoe River paper resistant to bleeding and designed for planners / Stitch-binding
Graph Paper Size	3.7 mm
Start of Week	Monday-start week
Yearly Calendar	2024, 2025, 2026
Yearly Index	Jan. - Dec. 2025 (4 pages)
Monthly Calendar	Dec. 2024 - Mar. 2026 (32 pages)
Daily Quotes	Included (Japanese)
Graph Paper	171 pages
Bonus Pages	Time Table / Graph Paper / Favorites / My 100 / Sample Symbols and Icons / How to Have Fun Keeping a Diary / Recommended Noodle List of 47 Prefectures / Solar Terms / Emergency Preparedness / Gifts / Age Table / Conversion Chart / Getting the most of Hobonichi / Addresses (for 8 people) / Personal Notes
Listed Information	Day of the year / Week of the year (listed on monthly calendars) / Old lunar calendar / Rokuyo (traditional Japanese lunisolar calendar) (listed on monthly calendars) / Solar terms / Japanese holidays / Moon phase (Full and new moon listed on monthly calendars)
Other	See the Exploring Each Type page for more details

Please Read Before You Buy

In order to provide you with the most satisfaction for your product, we've compiled a list of warnings, potential issues, and tips to keep in mind for this particular product. Please be sure to read this information carefully before placing your order.

Actual specifications may vary from listing: Each item is individually assembled and sewn by hand by a factory worker. Best efforts are made to ensure consistent sizes and specifications, but there may be slight differences.
Leather may contain preexisting wrinkles and marks: In order to allow customers the enjoyment of all-natural leather, the leather is processed in a way that retains its original feel. This may leave imperfections visible on the surface of the cover, such as wrinkles, scratches, stains, or vein marks.
Depending on the conditions in which the cover is used, natural oils of the leather may emerge and appear as stains. We ask for your understanding for these naturally-occurring characteristics of genuine leather.
Each leather product has a unique look: This product uses leather that retains a great deal of unique characteristics. The leather will appear different depending on which area from which it was cut, so your product will not look exactly the same as that pictured on the product page.
Leather coloring stains: Dyed leather products tend to leave stains. Please be careful not to allow the leather to adhere or rub against other objects such as clothing or other belongings, especially if the bag is wet from water or sweat from your hands.
Immediately dry if it gets wet: Immediately dab your product with a dry cloth if it gets wet. Avoid drying it with high temperatures, and place it in a well-ventilated place in the shade.

The cover does not shut tightly: The cover does not shut tightly while it is new, but it will wear in over time.
About the pen hook: The pen hook is designed to hold a pen by its clip.
Not for use with Cover on Cover: The PVC plastic of the Cover on Cover contains plasticizer additives which may cause a reaction in the leather dye and affect the color and quality of the leather cover. Please refrain from using the Cover on Cover with this product.
Avoid storing in hot and humid places: Please avoid storing your product in hot, humid places or placing it atop other objects for long periods of time as this may result in lower quality and color stains.
Characteristics of the leather used in the Going Merry Logbook: The leather used for this cover has a matte finish, so there may be marks or streaks of sheen made by slight frixion or scrapes during the production process. Over time, these marks will blend in with the oil of your hands as you hold the cover in your hands and will gain texture, so we ask for your understanding on this characteristic.

User recommendations

If you’ve used any of these products, we welcome your notes on what you like about them or what led you to buy them so we can share it with customers who are currently considering these products. We’d also love to welcome comments from customers who purchased their techo outside the Hobonichi Store or received their book as a gift.

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