The official YouTube channel for Bushiroad’s mixed-media project BanG Dream has posted a 30-second short trailer for the upcoming anime film BanG Dream! Episode of Roselia I: Yakusoku (Promise).
“BanG Dream! Episode of Roselia – I: Yakusoku / II: Song i am.”
In the clip, each five members of Roselia conveys their thought for the future of the band.