The OP song is written/composed/arranged by Kenichi Maeyamada, aka Hyadain, while the ED is written by Ryuji Sakai (the ARROWS vocalist) and composed/arranged by Shingo Yamazaki.
The four also sing the ED song “Hallelujah☆Essaim” together.
The CD singles of the two songs will be released simultaneously on February 22, 2017.