Nagasawa Onomatope Koro Koro 25 ml Fountain Pen Ink

Nagasawa Onomatope Koro Koro 25 ml Fountain Pen Ink

The Nagasawa Onomatope Koro Koro is a fountain pen ink inspired by one of the most familiar Japanese onomatopoeic expressions. Part of the Onomatope series, this collection translates mimetic words into colors that express movement, rhythm, and everyday sensations through writing.

Concept and meaning

Koro koro (ころころ) is a Japanese onomatopoeia that describes the gentle rolling motion of something small, such as a marble or a rounded object moving lightly across a surface. It conveys a sense of repetition, lightness, and playful movement.

Inspiration and character

This ink is inspired by that calm, continuous rolling motion—smooth, effortless, and unforced. Koro Koro suggests fluidity and natural change, qualities that translate into a relaxed and enjoyable writing experience. It encourages writing at an easy pace, allowing ideas to move freely.

Technical specifications

• Fountain pen ink
• Series: Onomatope
• Capacity: 25 ml
• Bottle size: approx. 65 × 65 × 50 mm
• Made in Japan

Frequently asked questions

What does Koro Koro mean?
It is a Japanese onomatopoeia describing the gentle, repeated rolling motion of a small object.

Is it part of the Kobe Ink Monogatari series?
No. Koro Koro belongs to the Onomatope series, a separate project focused on mimetic Japanese expressions.

Is it suitable for everyday use?
Yes. It is intended for smooth, relaxed daily writing.

Brand history and philosophy

Nagasawa Bungu Center has been an icon of Kobe since the late 19th century. Originally founded as a bookstore and stationery shop, it has grown into a cultural hub where writing, design, and Japanese craftsmanship meet. Alongside the renowned Kobe Ink Monogatari series, projects like Onomatope reflect Nagasawa’s commitment to expressing language, sensation, and storytelling through ink.

"Even the smallest movements can tell a story."