Rausch und/and Craziness -interlude-

 was a joint online live by Roselia and RAISE A SUILEN. The beginning was free to watch for everyone, even on YouTube, however the full live required paid tickets.

It was announced during BanG Dream! 8th☆LIVE.

It was held on December 12, 2020.

Trivia

 * Both the Japanese and Worldwide servers of BanG Dream! Girls Band Party! held 5-pull 1000 Star gachas in commemoration of the concert.