Nagasawa Fountain Pen Onomatope "Yura-Yura"Nagasawa Fountain Pen Onomatope "Yura Yura" Onomatope means onomatopoeia, mimetic word, etc. The English notation is onomatopoeia. Fountain Pen created by imagining the sounds and voices of the natural world, the state and movement of things. This fountain pen shares the same image as our original fountain pen ink, "Yura Yura." "Yura Yura" fountain pen ink contains glitter. It features beautiful shades of purple with an elegant sparkle of silver.