👉 Unjuvenileness is a concept in Japanese culture that refers to an appearance or behavior that is perceived as lacking in youthfulness, vitality, and innocence. It can refer to a lack of physical features such as a youthful skin tone, a chubby figure, or even a lack of facial features altogether. In the context of unjuvenileness, it often implies a decline in the ability to appreciate beauty or aesthetic appeal. It is often associated with a sense of disinterest or indifference towards one's