Rausch und/and Craziness was a 2-day joint concert by Roselia and RAISE A SUILEN. Additional performance for Rausch was held on February 1, 2020 at Musashino Forest Sports Plaza, Chofu, Tokyo The Blu-rays for the additional performances were included in the limited editions of Roselia's 11th single and of RAISE A SUILEN's 6th single. Roselia's single was released on January 20, 2021 while RAISE A SUILEN's single was released on January 27, 2021.

《Roselia×RAISE A SUILEN联合Live 「Rausch und/and Craziness II」》 是日本音乐企划 《BanG Dream!（乐队梦想！）》 旗下两支虚拟现实与现实乐队 Roselia 与 RAISE A SUILEN 的联合现场演唱会。 举办时间：2021年2月22日 举办地点：横滨竞技场（Yokohama Arena） 这是继该企划首次在线联合演唱会后，于大型场馆举行的现场版现场演出。 演出采用了疫情防护措施，例如场内保持社交距离并限制人数入场等。

Newspaper journalist Katja drinks too much. When she becomes abusive at an in-office birthday party while drunk, her boss gives her an ultimatum: sober up and deliver an excellent report on alcohol abuse, or be fired. Katja resigns, but soon begins researching and conducting interviews with doctors and alcoholics.

Roselia Live Flamme/Wasser was a 2-day live concert by Roselia.Each day of the concert had their own title: the first day was titled "Flamme", and the second day was titled "Wasser". It was held on August 3 and 4, 2019 at Fuji-Q Highland Conifer Forest. The limited edition of Roselia's 2nd album Wahl includes Blu-ray discs of both days. It was released on July 15, 2020.

Roselia Live Flamme/Wasser was a 2-day live concert by Roselia.Each day of the concert had their own title: the first day was titled "Flamme", and the second day was titled "Wasser". It was held on August 3 and 4, 2019 at Fuji-Q Highland Conifer Forest. The limited edition of Roselia's 2nd album Wahl includes Blu-ray discs of both days. It was released on July 15, 2020.

《Rausch und/and Craziness》是《BanG Dream!》企划组合Roselia与RAISE A SUILEN名义上的第三场专场演唱会，也是该两个组合的首次对邦演唱会，举办于2019年11月30与12月1日。

《Rausch und/and Craziness》是《BanG Dream!》企划组合Roselia与RAISE A SUILEN名义上的第三场专场演唱会，也是该两个组合的首次对邦演唱会，举办于2019年11月30与12月1日。

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Vier是德语的数字“4”，代表第四次专场Live，也暗示了明坂聪美毕业后、志崎桦音加入前，Roselia在三次元乐队上仅有四人的一个过渡状态。本次Live中声优志崎桦音做为键盘手加入Roselia。RAISE A SUILEN主唱Raychell做为惊喜嘉宾登场与相羽爱奈合唱魂のルフラン，并宣布做为开场嘉宾登场BanG Dream! 6th☆LIVE Day1。