[BMS AutoPlay] uNBRiDLeD - Seren

EVENT：MAXBEAThttp://manbow.nothing.sh/event/event.cgi?action=More_def&num=2&event=50

https://www.youtube.com/watch?v=v_2iXZmMSUk

～詳細情報～

http://manbow.nothing.sh/event/event.cgi?action=More_def&num=2&event=50