KAYOU+ Leron Ink Cartridges – Box of 5

A set of five ink cartridges designed exclusively for KAYOU+’s first fountain pen, the Leron.

The ink comes in a subtle blue-black color.

Suitable for a wide range of writing needs, from notebooks and planners to letters and business documents.

KAYOU+

A stationery brand launched in 2025, dedicated to delivering authentic value and enriching everyday life through thoughtfully designed tools.

Products such as AIMVISION PRO and AIMVISION have received major recognition, including the Stationery Shop Award 2026 (Japan) and the iF Design Award 2026, earning acclaim both in Japan and internationally.