The Japanese server of “Lost Decade” (also known as “Aurora Legend” in English) confirms a collaboration with “BanG Dream! Girls Band Party!” (バンドリ！ ガールズバンドパーティ！) on 5th August 2020. A new illustration of Roselia is also revealed.
Players who login during the collaboration period will be able to obtain the 5 members of Roselia as presents. Collaboration scenarios will also be available. The story starts with the members of Roselia playing the new VR game and accidentally drops into the isekai of “Lost Decade.” In order to return home, they strive to bring the best performance to this unknown world.
Two special collaboration radio programmes are also confirmed to air on August 4, at 18:00 [JPT] and August 13, at 18:00 [JPT], where players can enjoy the programme in the game.