Episode 291: Japan Top 10 July 2019 Special: Idoling through the 2010's, Biggest Idol groups of the 2010's (Collaborative)

Japan Top 10 (日本のトップ10) JPOP HITS! - Episode 291: Japan Top 10 July 2019 Special: Idoling through the 2010's, Biggest Idol groups of the 2010's (Collaborative)