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From our Original Fountain Pens, Glass Pens, and Inks to  Japanese Stationery and Complete MANGA Sets with exclusive bonuses — discover a wide variety of carefully selected items curated by Hachimonjiya.

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  • キルティング M5-16mm ブラック - 八文字屋OnlineStore

    Quilted M5 – 16mm Black

    Brelio
    ¥19,800 - ¥19,800
    ¥19,800
    ¥19,800 - ¥19,800
    ¥19,800
    In stock

    This ring planner is crafted with quilted leather that offers both durability and lightness.A layer of padding is placed between two sheets of leat...

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  • キルティング M5-16mm ローズ - 八文字屋OnlineStore

    Quilted M5 – 16mm Rose

    Brelio
    ¥19,800 - ¥19,800
    ¥19,800
    ¥19,800 - ¥19,800
    ¥19,800
    In stock

    This ring planner is crafted with quilted leather that offers both durability and lightness.A layer of padding is placed between two sheets of leat...

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  • ジッパー付ポーチ M5 キャメル - 八文字屋OnlineStore

    Zipper Pouch M5 Camel

    dünn × 八文字屋
    ¥4,290 - ¥4,290
    ¥4,290
    ¥4,290 - ¥4,290
    ¥4,290
    In stock

    Accessories for M5-size ring planners. The zippered pouch is perfect for those who use their planner as a wallet.It includes an inner pocket that c...

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  • M5スクエア リフィル クラフト - 八文字屋OnlineStore

    M5 Square Refill Kraft

    forme. × 八文字屋
    ¥473 - ¥473
    ¥473
    ¥473 - ¥473
    ¥473
    In stock

    A refill made with kraft paper in the M5 Square size. Perfect for decorating — simply add stickers, masking tape, or stamps to create charming page...

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  • M5スクエア リフィル プレーン - 八文字屋OnlineStore

    M5 Square Refill Plain

    forme. × 八文字屋
    ¥473 - ¥473
    ¥473
    ¥473 - ¥473
    ¥473
    In stock

    A refill designed for M5 Square–size ring planners. The writing paper offers a well-balanced feel — neither too slippery nor too rough — for a comf...

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  • M5スクエア リフィル クリーム - 八文字屋OnlineStore

    M5 Square Refill Cream

    forme. × 八文字屋
    ¥473 - ¥473
    ¥473
    ¥473 - ¥473
    ¥473
    In stock

    This refill is made with cream-colored paper, a shade often said to be gentle on the eyes.It uses Solist paper, known for its excellent compatibili...

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  • 秋桜・ダイアリー M5 - 八文字屋OnlineStore

    Akizakura Diary M5

    ASHFORD × 八文字屋
    ¥58,300 - ¥58,300
    ¥58,300
    ¥58,300 - ¥58,300
    ¥58,300
    Only a few left

    "Akizakura" (秋桜) is the Japanese name for cosmos. It is produced by the domestic system organizer brand ASHFORD. Based on the "Grooving Galuchat," ...

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  • ミネルバボックス リフター M5スクエア 蔵王御釜 - 八文字屋OnlineStore

    Minerva Box Page Lifter M5 Square – Zao Okama

    Brelio × 八文字屋
    ¥9,680 - ¥9,680
    ¥9,680
    ¥9,680 - ¥9,680
    ¥9,680
    In stock

    This pen-holder page lifter was created to accompany our collaborative ring planner made with the leather goods manufacturer Brelio. It helps ...

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  • ミネルバボックス リフター M5スクエア バタートースト - 八文字屋OnlineStore

    Minerva Box Page Lifter M5 Square – Butter Toast

    Brelio × 八文字屋
    ¥9,680 - ¥9,680
    ¥9,680
    ¥9,680 - ¥9,680
    ¥9,680
    In stock

    This pen-holder page lifter was created to accompany our collaborative ring planner made with the leather goods manufacturer Brelio. It helps ...

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  • ミネルバボックス リフター M5スクエア さくらんぼピンク - 八文字屋OnlineStore

    Minerva Box Page Lifter M5 Square – Cherry Pink

    Brelio × 八文字屋
    ¥9,680 - ¥9,680
    ¥9,680
    ¥9,680 - ¥9,680
    ¥9,680
    In stock

    This pen-holder page lifter was created to accompany our collaborative ring planner made with the leather goods manufacturer Brelio. It helps ...

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  • ミネルバボックス M5スクエア-16mm 蔵王御釜 - 八文字屋OnlineStore

    Minerva Box M5 Square 16mm – Zao Okama

    Brelio × 八文字屋
    ¥17,050 - ¥17,050
    ¥17,050
    ¥17,050 - ¥17,050
    ¥17,050
    In stock

    This is a collaborative ring planner created with the leather goods manufacturer Brelio. The size is M5 Square, which is wider than the standard M5...

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  • ミネルバボックス M5スクエア-16mm バタートースト - 八文字屋OnlineStore

    Minerva Box M5 Square 16mm – Butter Toast

    Brelio × 八文字屋
    ¥17,050 - ¥17,050
    ¥17,050
    ¥17,050 - ¥17,050
    ¥17,050
    In stock

    This is a collaborative ring planner created with the leather goods manufacturer Brelio. The size is M5 Square, which is wider than the standard M5...

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  • ミネルバボックス M5スクエア-16mm さくらんぼピンク - 八文字屋OnlineStore

    Minerva Box M5 Square 16mm - Cherry Pink

    Brelio × 八文字屋
    ¥17,050 - ¥17,050
    ¥17,050
    ¥17,050 - ¥17,050
    ¥17,050
    In stock

    This is a collaborative ring planner created with the leather goods manufacturer Brelio. The size is M5 Square, which is wider than the standard M5...

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  • The FerriTales Furry Frostbites The Ink Pot - 八文字屋OnlineStore

    The FerriTales Furry Frostbites The Ink Pot

    Ferris Wheel Press
    ¥1,320 - ¥1,320
    ¥1,320
    ¥1,320 - ¥1,320
    ¥1,320
    In stock

    フェリテールコレクションベスティアリーシリーズ「ファリー フロストバイツ」。 ノームが暮らす凍った北の世界へやってきたパッチ姫。 オーロラが揺らめく夜空と光の下、雪の獣たちが無邪気に戯れる光景をイメージしたカラーです。 ディープネイビー／ブルーシマーインク。 ※ パッケージ（外箱）はありません...

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  • KAYOU+ Serar Pastel Pink - 八文字屋OnlineStore

    KAYOU+ Serar Pastel Pink

    KAYOU+
    ¥3,300 - ¥3,300
    ¥3,300
    ¥3,300 - ¥3,300
    ¥3,300
    In stock

    The “Serar” ballpoint pen features a smooth resin body with a metal core, creating a refined and substantial writing instrument. Its ribbed grip is...

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  • KAYOU+ Serar Amethyst Gray - 八文字屋OnlineStore

    KAYOU+ Serar Amethyst Gray

    KAYOU+
    ¥3,300 - ¥3,300
    ¥3,300
    ¥3,300 - ¥3,300
    ¥3,300
    In stock

    The “Serar” ballpoint pen features a smooth resin body with a metal core, creating a refined and substantial writing instrument. Its ribbed grip is...

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  • KAYOU+ Serar Morning Blue - 八文字屋OnlineStore

    KAYOU+ Serar Morning Blue

    KAYOU+
    ¥3,300 - ¥3,300
    ¥3,300
    ¥3,300 - ¥3,300
    ¥3,300
    In stock

    The “Serar” ballpoint pen features a smooth resin body with a metal core, creating a refined and substantial writing instrument. Its ribbed grip is...

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  • KAYOU+ Serar Ceramic White - 八文字屋OnlineStore

    KAYOU+ Serar Ceramic White

    KAYOU+
    ¥3,300 - ¥3,300
    ¥3,300
    ¥3,300 - ¥3,300
    ¥3,300
    In stock

    The “Serar” ballpoint pen features a smooth resin body with a metal core, creating a refined and substantial writing instrument. Its ribbed grip is...

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  • COSMOS Complete Set(Vol. 1–9, Latest Volume)

    小学館
    ¥6,886 - ¥6,886
    ¥6,886
    ¥6,886 - ¥6,886
    ¥6,886
    In stock

    Complete set of COSMOS (Ryuhei Tamura, Shogakukan) (Volumes 1 to 9 of the existing publications).

  • 千歳くんはラムネ瓶のなか 全巻セット（全8巻） - 八文字屋OnlineStore

    Chitose Is in the Ramune Bottle (All 8 Volumes)

    スクウェア・エニックス
    ¥6,179 - ¥6,179
    ¥6,179
    ¥6,179 - ¥6,179
    ¥6,179
    In stock

    Complete set of Chitose-kun Is in the Ramune Bottle (hiromu / Bobcat / raemz, Square Enix) (All 8 Volumes). Media Information 【TV Animation "Chito...

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  • 友達の妹が俺にだけウザい 全巻セット（1-11巻 最新刊） - 八文字屋OnlineStore

    My Friend’s Little Sister Has It in for Me! Complete Set (Vol. 1–11, Latest Volume)

    スクウェア・エニックス
    ¥8,470 - ¥8,470
    ¥8,470
    ¥8,470 - ¥8,470
    ¥8,470
    In stock

    Complete set of My Friend’s Little Sister Has It in for Me! (Ghost Mikawa / Hira Hiraoka, Square Enix) (Volumes 1 to 11 of the existing publication...

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  • ロロマホック バイブル-24mm イエロー - 八文字屋OnlineStore

    ロロマホック バイブル-24mm イエロー

    レイメイ藤井
    ¥29,700 - ¥29,700
    ¥29,700
    ¥29,700 - ¥29,700
    ¥29,700
    Only a few left

    バイブルサイズのシステム手帳です。 収納力が高く、丸みを帯びたかわいらしいデザインが特徴。 内側の収納ポケットにも曲線を取り入れています。 カラーはコーラル、アージェント、イエローの3色展開です。 Roroma Hook（ロロマホック） 磨くと宝石のような艶が出るロロマレザーを使用した、...

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  • ロロマホック M5-16mm イエロー - 八文字屋OnlineStore

    ロロマホック M5-16mm イエロー

    レイメイ藤井
    ¥20,900 - ¥20,900
    ¥20,900
    ¥20,900 - ¥20,900
    ¥20,900
    In stock

    コンパクトで携帯性に優れた、M5サイズのシステム手帳です。 収納力が高く、丸みを帯びたかわいらしいデザインが特徴。 内側の収納ポケットにも曲線を取り入れています。 カラーはコーラル、アージェント、イエローの3色展開です。 Roroma Hook（ロロマホック） 磨くと宝石のような艶が出る...

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  • Special Color for KOBE Pen Show 2025 七変化 AM 10:00 - 八文字屋OnlineStore

    Special Color for KOBE Pen Show 2025 – Shichihenge 10:00 AM

    Tono & Lims
    ¥1,760 - ¥1,760
    ¥1,760
    ¥1,760 - ¥1,760
    ¥1,760
    In stock

    “Shichihenge (Seven Transformations)” is another traditional Japanese name for hydrangeas. This ink was created to commemorate our participation in...

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