Ka-Ku Fountain Pen Ink - Aquarium Hidden in the Stars APICA The grip length was extended

The grip length was extended to deliver uninterrupted writing comfort

Set of 6: mint green

The Mini Lumos allows you to fill your pen with your favorite fountain pen inks and colors

Acrylic body

a gentle blue-green ink inspired by a grass that grows in paddy fields

Ka-Ku Fountain Pen Ink - Aquarium Hidden in the Stars APICA The grip length was extendedKa ku, which is Japanese for write, is a Japanese retailer and brand that hopes to make customers daily lives more fun through their curation of writing instruments and inks. In 2023, Ka ku began developing original fountain pen inks including inks that can be mixed together for endless ways to play. 18ml bottled fountain pen ink Suitable for writing with fountain pens, dip pens, glass pens, and other ink pens.