Japan's idol industry has been used as a model for other pop idol industries, such as K-pop. Sub-categories of idols include gravure idols, junior idols, net idols, idol voice actors, virtual idols, AV idols, alternative idols, underground idols. List of Japanese idols Net idol Wotagei Junior idol A Nagisa Abe Shizue Abe Yumi Adachi Shoko Aida Himika Akaneya Jin Akanishi Manatsu Akimoto Sayaka Akimoto Alisa (gravure idol) Alternative idol Sally Amaki Namie Amuro.