接续「BanG Dream! Episode of Roselia I：约定」故事，Roselia的成员们跨越各式各样的试炼，誓言要于FUTURE WORLD FES登场，于是，时序进入了秋天。 透过担任「约定」的作词，而成长的莉莎；前往赏枫的友希那与纱夜，对未来对自己的期许描绘成手绘信;燐子被「想为Roselia做些什么」这样的心情所驱使，开始创作新曲;忽然感到不安的亚子开始思索自己与团员的目标，「剩下的任务是、选拔大赛和...... FUTURE WORLD FES...」。 在跨越FUTURE WORLD FES.的彼端，五人所见到的景色是...
A mourning daughter attempts to understand her late father hauntings, as there's something really wrong with his urn and darker motives may at play.
A trucker's family is killed in a fiery crash caused by a group of reckless teens. Rescued from the wreckage and nursed back to health by a mysterious old man, the trucker exacts brutal revenge on the teens who destroyed his life.
