Gravure

[Justin Bieber]

Softcore glamor photography and videos of female models in Japan. It can range from clothed and tame to nude and provocative.
(The older definition on here claimed the models were teens at the oldest, which is not true. Many gravure idols are in their 20s or older.)

[Sommer]

An art form popular in Japan whereby a pre-teen or teen female idol poses for clothed, semi-clothed, or nude pictures in various positions and costumes. The pictures are published in magazine form, called photobooks, featuring only this female model and no others. Gravure idols feature [race queens] and pop idols who who to achieve celebrity by selling their images.