"Notebook, crisp and crisp. From "uni-ball one" comes a limited edition color that is inspired by the world of city pop. ■ Black is darker and the color is more vibrant. ■ Fresh and vibrant colors reflect the seasonal feeling of spring and summer. ■ Illustrations represent the world view of "City Pop" with urban sophistication, mainly for music and movies. ■ It has a half-cylindrical shape like a cosmetic package, so it can be carried with you in style. ■ Each assorted illustrations work together as a weekend story, and when you unfold the half-cylinder case, you can see the illustration continued.