Ka-Ku Fountain Pen Ink - Konjo Deep Blue A5 Ink Sample Accordion Fold Book:

Ink Sample Accordion Fold Book: 3

While the cover itself is matte

Both the pocket on the right side and the one on the back of the cover contain Luffy’s passionate words

Scouring Rush (EX-3)

Ka-Ku Fountain Pen Ink - Konjo Deep Blue A5 Ink Sample Accordion Fold Book:Ka 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.