Happy Tone A5 Notebook | Eine Kleine | Shinzi Katoh (Japan) kitten existential lines—“nighttime makes up half

existential lines—“nighttime makes up half of all time

while the compact size keeps them easy to group or scatter across any magnetic surface

Mini breadsticks

Made from thick cotton canvas with a structured gusset

adding a gentle touch of whimsy to everyday correspondence

Happy Tone A5 Notebook | Eine Kleine | Shinzi Katoh (Japan) kitten existential lines—“nighttime makes up halfShinzi Katohs music themed Happy Tone series brings a gentle sense of rhythm to everyday writing. The cover illustration features children and animals gathered around string instruments, set against warm cream and deep red tones that feel both nostalgic and playful. Sized for daily carry, this A5 notebook works naturally for journaling, study notes, letters, or quiet desk moments. The soft color palette and delicate musical details give the notebook a