ウェブIdolish7 (アイドリッシュセブン, Aidorisshu Sebun, stylized as IDOLiSH7) is a Japanese rhythm game developed and published by Bandai Namco Online with music collaboration by Lantis for Android and iOS platforms, [1] which first released in Japan on August 20, 2015. The project features character design by Arina Tanemura. [2] .