Australian Opal Grey - 50ml uv-resistant This pen utilises a #6

This pen utilises a #6 branded JoWo nib for an amazing writing experience

The cover of the book as the 'Tomoe River' logo embossed into it

All Cocoon fountain pens come with a Pilot black ink cartridge

43 Gakuen Toshi Fresh Green

Australian Opal Grey - 50ml uv-resistant This pen utilises a #6Robert Oster Signature Ink Australian Opal Grey Discover Australian Opal Grey, a signature fountain pen ink handmade in Australia with a focus on sustainability, performance, and vibrant color expression. Non toxic formula safe for everyday fountain pen use Bottled in recyclable PET made at Australia's first carbon neutral plastics facility Produced in small batches to ensure quality and reduce waste Smooth Writing and Rich Expression Flows