One hundred amateur women from various professions and age groups, including office ladies, students, married women, and nurses, gather together. Each woman's navel is unique—ranging from beautiful oval shapes to protruding outies, seductive navel piercing scars, and tightly closed button-like navels—showcasing a wide variety of forms. Captured as an intimate part of the body rarely seen in daily life, this collection allows you to fully appreciate their diverse and alluring expressions. Which type is your favorite?