In addition to the cover songs of their older sister unit Wake Up, Girls!, such as “Tachiagare” and “16-Sai no Agape,” they performed their debut song “Kakeru x Kakeru (Kakeru Kakeru Kakeru)” in the end of the event (Kakeru means run in Japanese).
The song is written by Natsumi Tadano (Wake Up, Girls! unit songs), composed by Satoru Kousaki (Tekken series, The Melancholy of Haruhi Suzumiya), and arranged by Keiichi Hirokawa (MONACA).
Atsugi (Itsuka Atsugi) were chosen from 2,000 participants in the “avex x 81produce Wake Up, Girls! AUDITION: The Third Anison Vocal Audition” held in December 2016. and AT-X (October 11).