Ka-Ku Fountain Pen Ink - Karashi-iro HOBONICHI The center of the flap

The center of the flap contains a pink charm from India

author John Steinbeck

Pilot co-founders Ryosuke Namiki and Masao Wada established the company in 1918 with the trademark

Torori is the colour of anticipation

Ka-Ku Fountain Pen Ink - Karashi-iro HOBONICHI The center of the flapKa 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.