Kiiyan joins Kaji Yuki, Fukuyama Jun, Takeuchi Junko, Sugiyama Noriaki, Masuda Toshiki, Toyonaga Toshiyuki, Morikubo Shoutarou and other seiyuu in providing backing vocals for Flow’s re-recording of their big hit 「GO!!!」 (done for their 15th anniversary).

The mini-album will be released on June 28, 2017.