Iroshizuku Ink Cartridge Ku-jaku, 6pcs

Iroshizuku Ku-jaku captures the iridescent brilliance of peacock plumage in liquid form—a luminous green that transforms the act of writing into a meditation on nature's artistry. Pilot's storied Japanese heritage infuses each cartridge with meticulous craftsmanship, while the poetic nomenclature honors botanical and landscape traditions. The refined packaging echoes the iconic glass bottle aesthetic, elevating the everyday ritual of refilling into a moment of tactile luxury. Compatible with Pilot fountain pen systems, these six cartridges deliver consistent, vibrant flow—a whisper of emerald elegance across the page.