WACK is FXXK: Lyrics by Matsukuma Kenta & JxSxK
• WACK is FXXK (Single) ver. (Aina, Ayuni, Saki, Yua, Miki, Aya, Pour Lui)
• WACK is FXXK re-release (Single) ver. (Aina, Ayuni, Saki, Yua, Miki, Aya, Go Zeela)
• Tokyo Idol Festival 2019 ver. (Aina, Ayuni, Saki, Yua, Miki, Pan, NOW)
