[3] In September 2016, Chihiro joined an idol supergroup which had been formed to perform at the 2016 @Jam x Natalie Expo.

[5] In March 2018, Chihiro alongside Aina the End provided vocals for Marty Friedman's "Wasted Tears", on B The Beginning: The Image Album.

[11] In December, Chihiro joined Spy, a new shuffle unit under WACK produced by Yuki Kashiwagi, after finishing seventh in the Vote!

[15] At Bish's disbandment concert on June 29, it was announced that Chihiro would release her first solo album, Per→cent→age, in August.

[16] In November 2023, she will make her stage acting debut under the name Chihiro Katō (加藤千尋) in Kaminari ni 7-kai Uta Rete mo (雷に7回撃たれても).